Database Develop

[MOD][UNOFFICIAL] MultiROM v31 [WIP] [UNDER PROGRESS]

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Introduction
MultiROM is one-of-a-kind multi-boot mod for Nexus 7. It can boot any Android ROM as well as other systems like Ubuntu Touch, Plasma Active, Bohdi Linux or WebOS port.Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs, daily prebuilt image files to install Ubuntu Touch and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Use for example Ubuntu Touch (will be there in future ) or Desktop alongside with Android, without the need of device formatting
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is messing with boot sector and data partition. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.
Installation
1. First Flash MultiROM zip via Recovery [Link Given Below]
2. Reboot to bootloader
3. Fastboot MultiROM TWRP Recovery (Terminal Command "fastboot flash recovery twrp2.8.5.0-multirom-recovery.img" ) [Link Given Below]
4. Reboot recovery.
Bugs: Layout Problems (Will be fixed soon)
Adding ROMs
Android
Go to recovery, select Advanced -> MultiROM -> Add ROM. Select the ROM's zip file and confirm. As for the space, clean installation of stock 4.4 after first boot (with dalvik cache generated and connected to google account) takes 676mb of space.
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to Advanced -> MultiROM in recovery and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to Advanced -> MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Downloads
MULTIROM v31: https://www.dropbox.com/s/p9ed2oi4bql0pu7/multirom-20150217-v31-UNOFFICIAL-condor.zip?dl=0
TWRP MULTIROM RECOVERY: https://www.dropbox.com/s/tf7zbgjwzp531mu/twrp2.8.5.0-multirom-recovery.img?dl=0
XDA:DevDB Information
MultiROM v31, Tool/Utility for the Moto E
Contributors
#buzz, percy_g2
Source Code: https://github.com/percy-g2?tab=repositories
Version Information
Status: Testing
Created 2015-02-17
Last Updated 2015-03-12

Reserved

I have Many questions...
Works with Multirom TWRP 2.7.1?
Boot Lollipop ROM's?
Need to reflash hardboot kernel?
Thanks

Need Testing
SrDesalmado said:
I have Many questions...
Works with Multirom TWRP 2.7.1?
Boot Lollipop ROM's?
Need to reflash hardboot kernel?
Thanks
Click to expand...
Click to collapse
I have not used this MultiROM v31 with MultiROM TWRP 2.7.1.1.
I tested with a KitKat ROM. Now making a lollipop ROM especially for testing this MultiROM and for the ROM itself.
This was built based on the latest kernel that was used to boot cm-12.0 for our device. You needn't reflash hardboot kernel.
But if you get something wrong, use the uninstaller and let me know the log. It will help me fix the problem.

Is tested on soak test 5.0.2 and CM12
I want to keep disk test 5.0.2 and CM12 will this multirom work....

Yaay! Nice and keep it up! Gonna try it in couple of hours.

Well, works with MultiROM TWRP 2.7.1 :good:
Didn't need to flash hardbood hexec kernel :good:
But... Unfortunately won't boot up Lollipop ROM's, i got "error executing update binary" on installation process... I think it isn't a MultiROM problem, but a outdated Recovery... I will test with new recovery later...
---------- Post added at 07:22 PM ---------- Previous post was at 06:26 PM ----------
Tested with new TWRP 2.8.5.0 and nope, it's really a MultiROM incompatibility with lollipop mounts, i think...

SrDesalmado said:
Well, works with MultiROM TWRP 2.7.1 :good:
Didn't need to flash hardbood hexec kernel :good:
But... Unfortunately won't boot up Lollipop ROM's, i got "error executing update binary" on installation process... I think it isn't a MultiROM problem, but a outdated Recovery... I will test with new recovery later...
---------- Post added at 07:22 PM ---------- Previous post was at 06:26 PM ----------
Tested with new TWRP 2.8.5.0 and nope, it's really a MultiROM incompatibility with lollipop mounts, i think...
Click to expand...
Click to collapse
Well, it should be ROM problem I think. Can you give me link to the ROM you wanna flash?

GeekyDroid said:
Well, it should be ROM problem I think. Can you give me link to the ROM you wanna flash?
Click to expand...
Click to collapse
Here you go
CM12 by percy_g2
And
Stock Debloated TWRP Nandroid
And that's it, i think these is only lollipop based ROM's avaliable for install on MultiROM for now... I tested both ROMs and nope, but if you want try

Well seems Good but I have an question.. Different between previous one ? And one thing more our internal storage is way too low for mutirom using don't know who can help us !

rajit said:
Well seems Good but I have an question.. Different between previous one ? And one thing more our internal storage is way too low for mutirom using don't know who can help us !
Click to expand...
Click to collapse
May be installation to SD card help us...
Sent from my XT1022 using xda premium

Problem no touch
#buzz said:
Introduction
MultiROM is one-of-a-kind multi-boot mod for Nexus 7. It can boot any Android ROM as well as other systems like Ubuntu Touch, Plasma Active, Bohdi Linux or WebOS port.Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs, daily prebuilt image files to install Ubuntu Touch and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Use for example Ubuntu Touch (will be there in future ) or Desktop alongside with Android, without the need of device formatting
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is messing with boot sector and data partition. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.
Installation
1. First Flash MultiROM zip via Recovery [Link Given Below]
2. Reboot to bootloader
3. Fastboot MultiROM TWRP Recovery (Terminal Command "fastboot flash recovery twrp2.8.5.0-multirom-recovery.img" ) [Link Given Below]
4. Reboot recovery.
Bugs: Layout Problems (Will be fixed soon)
Adding ROMs
Android
Go to recovery, select Advanced -> MultiROM -> Add ROM. Select the ROM's zip file and confirm. As for the space, clean installation of stock 4.4 after first boot (with dalvik cache generated and connected to google account) takes 676mb of space.
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to Advanced -> MultiROM in recovery and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to Advanced -> MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Downloads
MULTIROM v31: https://mega.co.nz/#!QVJzHYCQ!XXc5o1MrCoE-y9qbmvcNqB5ZkXR1Nkadaxf2s-qQrP4
https://www.dropbox.com/s/p9ed2oi4bql0pu7/multirom-20150217-v31-UNOFFICIAL-condor.zip?dl=0
TWRP MULTIROM RECOVERY: https://mega.co.nz/#!sdRzQLhK!k3d2qgY72q9Rh7bZbG6a-zcWZbJbPpnrbbOygDNZfZw
https://www.dropbox.com/s/tf7zbgjwzp531mu/twrp2.8.5.0-multirom-recovery.img?dl=0
UNINSTALLER: https://mega.co.nz/#!4BxznIib!c4m7HOO5Z4HCsZDfdQrxkxXI9mgYujbnadTAdvIb_J0
https://www.dropbox.com/s/k83bhaponxlci01/multirom_uninstaller.zip?dl=0
XDA:DevDB Information
MultiROM v31, Tool/Utility for the Moto E
Contributors
#buzz, percy_g2
Source Code: https://github.com/percy-g2?tab=repositories
Version Information
Status: Testing
Created 2015-02-17
Last Updated 2015-02-17
Click to expand...
Click to collapse
MultiROM v28 installed and was working normally after updated to v31 and did not install any rom and I have more in touch roms menu, then unistall and went back to using the v28 , but still continue without the touch , how to fix it ? I can no longer use the MultiROM or uninstalling and reinstalling .
I do not know English and I'm using google translator , excuse me errors .

Solution
Layker25 said:
MultiROM v28 installed and was working normally after updated to v31 and did not install any rom and I have more in touch roms menu, then unistall and went back to using the v28 , but still continue without the touch , how to fix it ? I can no longer use the MultiROM or uninstalling and reinstalling .
I do not know English and I'm using google translator , excuse me errors .
Click to expand...
Click to collapse
Goto fastboot mode and flash the twrp 2.8.5.0 recovery and use it to flash the Multirom uninstaller first, do some wipes of caches and then (if you want), then install it again. If you have any trouble, feel free to PM me anytime.

installed as told, already have pac rom installed, tried installing a secondary rom but failed message came, any idea what went wrong?

#buzz said:
Goto fastboot mode and flash the twrp 2.8.5.0 recovery and use it to flash the Multirom uninstaller first, do some wipes of caches and then (if you want), then install it again. If you have any trouble, feel free to PM me anytime.
Click to expand...
Click to collapse
I found out what was the problem of v28 , was the kernel that was not installed, but the v31 not figured out , I could do the work again v28 v31 but not , so I can not install any rom the v31 and v28 can not install roms up version 4.4.x as a second rom , know how to solve this problem?
Thank you in advance !

@#buzz
coping zip to /tmp...
erasing incomplete rom
tried to install cm11 :/ please help me not abloe to install on external

Links Not Working...
#buzz said:
Introduction
MultiROM is one-of-a-kind multi-boot mod for Nexus 7. It can boot any Android ROM as well as other systems like Ubuntu Touch, Plasma Active, Bohdi Linux or WebOS port.Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs, daily prebuilt image files to install Ubuntu Touch and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Use for example Ubuntu Touch (will be there in future ) or Desktop alongside with Android, without the need of device formatting
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is messing with boot sector and data partition. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.
Installation
1. First Flash MultiROM zip via Recovery [Link Given Below]
2. Reboot to bootloader
3. Fastboot MultiROM TWRP Recovery (Terminal Command "fastboot flash recovery twrp2.8.5.0-multirom-recovery.img" ) [Link Given Below]
4. Reboot recovery.
Bugs: Layout Problems (Will be fixed soon)
Adding ROMs
Android
Go to recovery, select Advanced -> MultiROM -> Add ROM. Select the ROM's zip file and confirm. As for the space, clean installation of stock 4.4 after first boot (with dalvik cache generated and connected to google account) takes 676mb of space.
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to Advanced -> MultiROM in recovery and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to Advanced -> MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Downloads
MULTIROM v31: https://mega.co.nz/#!QVJzHYCQ!XXc5o1MrCoE-y9qbmvcNqB5ZkXR1Nkadaxf2s-qQrP4
https://www.dropbox.com/s/p9ed2oi4bql0pu7/multirom-20150217-v31-UNOFFICIAL-condor.zip?dl=0
TWRP MULTIROM RECOVERY: https://mega.co.nz/#!sdRzQLhK!k3d2qgY72q9Rh7bZbG6a-zcWZbJbPpnrbbOygDNZfZw
https://www.dropbox.com/s/tf7zbgjwzp531mu/twrp2.8.5.0-multirom-recovery.img?dl=0
UNINSTALLER: https://mega.co.nz/#!4BxznIib!c4m7HOO5Z4HCsZDfdQrxkxXI9mgYujbnadTAdvIb_J0
https://www.dropbox.com/s/k83bhaponxlci01/multirom_uninstaller.zip?dl=0
XDA:DevDB Information
MultiROM v31, Tool/Utility for the Moto E
Contributors
#buzz, percy_g2
Source Code: https://github.com/percy-g2?tab=repositories
Version Information
Status: Testing
Created 2015-02-17
Last Updated 2015-02-17
Click to expand...
Click to collapse
Links are not working. Please Update Them...

meakshay_mishra said:
Links are not working. Please Update Them...
Click to expand...
Click to collapse
No Issue with Download Link..Its working..
If you are accessing from mobile then Try "Request Desktop Site" option :good:

Links Need to be Checked.
mrpkarthik said:
No Issue with Download Link..Its working..
If you are accessing from mobile then Try "Request Desktop Site" option :good:
Click to expand...
Click to collapse
I Think that'as not true. I tried opening on desktop and on browser requesting desktop site. Still not working Links.
See screenshot.

meakshay_mishra said:
I Think that'as not true. I tried opening on desktop and on browser requesting desktop site. Still not working Links.
See screenshot.
Click to expand...
Click to collapse
Check my screenshot.. No issues with Download LINK

[MOD][Arm64]MultiROM for YU Yureka[v33][Beta 1]

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Introduction
MultiROM is one-of-a-kind multi-boot mod for Nexus 5. It can boot any Android ROM as well as other systems like Ubuntu Touch, once they are ported to that device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Boot from USB drive attached via OTG cable
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.
Installation
1. Via MultiROM Manager app
This is the easiest way to install everything MultiROM needs. Install the app and select MultiROM and recovery on the Install/Update card. If the Status card says Kernel: doesn't have kexec-hardboot patch! in red letters, you have to install also patched kernel - either select one on the Install/Update card or get some 3rd-party kernel here on XDA. You are chosing kernel for your primary ROM, not any of your (future) secondary ROMs, so select the version accordingly.
Press "Install" on the Install/Update card to start the installation.
2. Manual installation
Firstly, there are videos on youtube. If you want, just search for "MultiROM installation" on youtube and watch those, big thanks to all who made them. There is also an awesome article on Linux Journal.
MultiROM has 3 parts you need to install:
MultiROM (multirom-YYYYMMDD-vXX-tomato.zip) - download the ZIP file from second post and flash it in recovery.
Modified recovery (twrp_mrom.img) - download the IMG file from second post and use fastboot or Flashify app to flash it.
Patched kernel - You can use either one of the stock ones in second post or third-party kernels which include the patch, you can see list in the second post. Download the ZIP file and flash it in recovery.
You current rom will not be erased by the installation.
Download links are in the second post.
Adding ROMs
1. Android
Go to recovery, select Advanced -> MultiROM -> Add ROM. Select the ROM's zip file and confirm. As for the space, clean installation of stock 5.0 after first boot (with dalvik cache generated and connected to google account) takes about 676mb of space.
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easily changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to Advanced -> MultiROM in recovery and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to Advanced -> MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Downloads
1. Main downloads
MultiROM: multirom-20160220-v33-UNOFFICIAL-tomato.zip
Modified recovery (based on TWRP): recovery_mrom.img
Kexec-harboot kernel : Dominator-v2.4-2016-02-16-0953-UB.zip
2. Third-party kernels with kexec-hardboot patch
Yet to come!
3. Uninstaller
MultiROM uninstaller: multirom_uninstaller.zip
Flash this ZIP file to remove MultiROM from your device. It will erase all secondary ROMs. If you don't want MultiROM menus in recovery, re-flash clean TWRP, but it is not needed - those menus don't do anything if MultiROM is not installed.
Credits
@abhishek987
@TheStrix
This port is based on the hard work of @Tasssadar, @500 Internal Server Error, Geoff Levand, @webgeek1234, Mike Kasick, @Hashbang173, and many others. Thank you.
XDA:DevDB Information
MultiROM for YU Yureka, Tool/Utility for the YU Yureka
Contributors
Men_in_black007, abhishek987
Version Information
Status: Testing
Created 2016-02-23
Last Updated 2016-02-23

FAQ's
1. Should I flash recovery only via Flashify app?
-Not essentially, You can flash it via recovery.
Boot to TWRP.
Install->Tap on Images(bottom right screen)>Locate and select your recovery.img
Flash to 'Recovery' partition.
Reboot back to TWRP(IMPORTANT).
2. Can I flash any other kernels?
-As of now NO. Only the given 'Dominator Kernel'
You can flash only 'kexec hardboot' supported kernels. Other kernels won't work.
Don't worry within few days, Devs are going to add support to their kernels.
3. Which roms can I flash?
-All Android 5.1+ roms can be flashed without any issues.
14 How to flash without Hardbricking?
-Follow the steps from OP and there are videos to make the things easy in initial pages.
Maximum it causes bootloops(softbrick), not hardbrick if you follow the guide.
5. Can I flash roms to ext-sd card and USB-otg? How?
-Yes you can flash them to ext-sd card and USB-otg.
Boot to TWRP.
Tap on Multirom.
Tap on ADD ROM
Select the right Location
Spoiler: Meomry Location SS
Flashing on ext-sd and USB otg takes some time, so be patient, don't freak out!
6. Where to find roms installed in my ext-sd and USB? How to boot into 'em?
-After flashing you'll be booted into MultiROM menu.
All your roms flashed on internal memory will be in Internal tab.
Others will be in External tab.
Spoiler: Screenshot
7. How to rename/remove/delete/wipe dalvik & cache or flash any other zips to existing rom?
-Follow
Boot to recovery.
Tap on MultROM
Tap on the rom which you want to remove/add zips.
You'll find all the options you need!
Spoiler: Screenshot
8. Is there any option of app sharing?
-NO. This is entirely different from mboot. You need to install separate apps in each ROM.
9. "Unable to flash, I'm getting errors" / "Executing updater script failed" / "Rom is not booting" ????
-Please provide logs. It'll be located in /data/media/0/multirom/last_kexec. log
It'd great if you can provide the screenshots.
Press VOL DOWN + LOCK KEY to take Screenshots.
Bugs
This is just a beta build so bugs are expected some of bugs the bugs which I am aware of are
* Roms above 5.1 are working (5.1 roms are also working)
* Ported roms are not working however roms ported as taking 5.1 gets boot
If you found any just report me
Video
Check this video for proper installation :
https://youtu.be/aAYSLt8zjNE

RESERVED

excellent work....
finally multi rom recovery is here.....
thanks bro...

@Men_in_black007, in muliboot app, when I click on rom, I get the error "could not determine the boot partition because this device's codename 'YUREKA' is not recognized." no matter which ROM i flash.
Please let me know if there is a work around for this.
I have tried flashing cm12.1 latest nightly , MIUI V7 developer edition v6.3.24, cm 13 latest nightly as primary ROMS.

Reserved
Reserved...
Trying it. Exited.:highfive:

there is no multirom option in advanced....please help

No link for Uninstallation.

Do we hav to keep the given kernel installed for using multirom? Or can we change it once secondary rom is installed?
Sent from my AO5510 using XDA-Developers mobile app

Dominator kernel isn't working with new official cm13 nightly builds.. Please fix...

purig said:
Dominator kernel isn't working with new official cm13 nightly builds.. Please fix...
Click to expand...
Click to collapse
Yes, it won't work until gets updated with new source.

What is the android version of this rom??is it AOSP based??thank you!!

Yureka + ?
Men_in_black007 said:
Introduction
MultiROM is one-of-a-kind multi-boot mod for Nexus 5. It can boot any Android ROM as well as other systems like Ubuntu Touch, once they are ported to that device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Boot from USB drive attached via OTG cable
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.
Installation
1. Via MultiROM Manager app
This is the easiest way to install everything MultiROM needs. Install the app and select MultiROM and recovery on the Install/Update card. If the Status card says Kernel: doesn't have kexec-hardboot patch! in red letters, you have to install also patched kernel - either select one on the Install/Update card or get some 3rd-party kernel here on XDA. You are chosing kernel for your primary ROM, not any of your (future) secondary ROMs, so select the version accordingly.
Press "Install" on the Install/Update card to start the installation.
2. Manual installation
Firstly, there are videos on youtube. If you want, just search for "MultiROM installation" on youtube and watch those, big thanks to all who made them. There is also an awesome article on Linux Journal.
MultiROM has 3 parts you need to install:
MultiROM (multirom-YYYYMMDD-vXX-tomato.zip) - download the ZIP file from second post and flash it in recovery.
Modified recovery (twrp_mrom.img) - download the IMG file from second post and use fastboot or Flashify app to flash it.
Patched kernel - You can use either one of the stock ones in second post or third-party kernels which include the patch, you can see list in the second post. Download the ZIP file and flash it in recovery.
You current rom will not be erased by the installation.
Download links are in the second post.
Adding ROMs
1. Android
Go to recovery, select Advanced -> MultiROM -> Add ROM. Select the ROM's zip file and confirm. As for the space, clean installation of stock 5.0 after first boot (with dalvik cache generated and connected to google account) takes about 676mb of space.
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easily changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to Advanced -> MultiROM in recovery and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to Advanced -> MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Downloads
1. Main downloads
MultiROM: multirom-20160220-v33-UNOFFICIAL-tomato.zip
Modified recovery (based on TWRP): recovery_mrom.img
Kexec-harboot kernel : Dominator-v2.4-2016-02-16-0953-UB.zip
2. Third-party kernels with kexec-hardboot patch
Yet to come!
3. Uninstaller
MultiROM uninstaller: multirom_uninstaller.zip
Flash this ZIP file to remove MultiROM from your device. It will erase all secondary ROMs. If you don't want MultiROM menus in recovery, re-flash clean TWRP, but it is not needed - those menus don't do anything if MultiROM is not installed.
Credits
@abhishek987
@TheStrix
This port is based on the hard work of @Tasssadar, @500 Internal Server Error, Geoff Levand, @webgeek1234, Mike Kasick, @Hashbang173, and many others. Thank you.
XDA:DevDB Information
MultiROM for YU Yureka, Tool/Utility for the YU Yureka
Contributors
Men_in_black007, abhishek987
Version Information
Status: Testing
Created 2016-02-23
Last Updated 2016-02-23
Click to expand...
Click to collapse
Sir can I use this in my yureka plus?

where is multirom apk??

[MOD][MultiROM][v33][Beta 1]

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[/CENTER]
Introduction
MultiROM is one-of-a-kind multi-boot mod for Redmi note 3. It can boot any Android ROM as well as other systems like Ubuntu Touch, Plasma Active, Bohdi Linux or WebOS port, once they are ported to our device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs, daily prebuilt image files to install Ubuntu Touch and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.​
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Use for example Ubuntu Touch or Desktop alongside with Android, without the need of device formatting, once they are ported to the redmi note 3
* Boot from USB drive attached via OTG cable
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is messing with boot sector and data partition. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.​
Installation
1. Via MultiROM Manager app (We do not have Official Support, so this is not an option for us yet)
This is the easiest way to install everything MultiROM needs. Install the app (Not for Moto X Play) and select MultiROM and recovery on the Install/Update card. If the Status card says Kernel: doesn't have kexec-hardboot patch! in red letters, you have to install also patched kernel (If you want to use Kexec) - either select one on the Install/Update card or get some 3rd-party kernel here on XDA. You are chosing kernel for your primary ROM, not any of your (future) secondary ROMs, so select the version accordingly.
Press "Install" on the Install/Update card to start the installation.​
2. Manual installation
Firstly, there are videos on youtube. If you want, just search for "MultiROM installation" on youtube and watch those, big thanks to all who made them. There is also an awesome article on Linux Journal.
MultiROM has 3 parts you need to install:
Modified recovery (TWRP_multirom_lux_YYYYMMDD.img) - download the IMG file from second post and use fastboot, TWRP or Flashify app to flash it.
Patched kernel - you can find it in the second post. Download the ZIP file and flash it in recovery. You can use any 3rd-party kernel which include the patch. we dont need patch kernel with the no kexec workaround
MultiROM (multirom-YYYYMMDD-vXX-wt88047-signed.zip) - download the ZIP file from second post and flash it in recovery.
You current rom will not be erased by the installation.
Download links are in the second post.​
Adding ROMs
1. Android
Go to recovery, select MultiROM -> Add ROM. Select the ROM's zip file and confirm.​
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.​
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to MultiROM in recovery and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Explanation of recovery menus
Main menu
- Add ROM - add ROM to boot
- List ROMs - list installed ROMs and manage them
- Inject boot.img file - When you download for example kernel, which is distrubuted as whole boot.img (eg. franco kernel), you have to use this option on it, otherwise you would lose MultiROM.
- Inject curr. boot sector - Use this option if MultiROM does not show up on boot, for example after kernel installation.
- Settings - well, settings.
Manage ROM
- Rename, delete - I believe these are obvious
- Flash ZIP (only Android ROMs) - flash ZIP to the ROM, for example gapps
- Add/replace boot.img - replaces boot.img used by this ROM, this is more like developer option.
- Re-patch init - this is available only for ubuntu. Use it when ubuntu cannot find root partition, ie. after apt-get upgrade which changed the init script.​
XDA:DevDB Information
[MOD][MultiROM][v33][Beta 1][kenzo], Tool/Utility for the Xiaomi Redmi Note 3
Contributors
zeeshanhussain12
Source Code: https://github.com/multirom-nexus6p
Version Information
Status: Beta
Beta Release Date: 2016-06-15
Created 2016-06-15
Last Updated 2016-06-15

Reserved
DOWNLOADS
1. Main Downloads
Multirom :- multirom-20160615-v33-UNOFFICIAL-kenzo.zip
Multirom recovery:- recovery.img
2. third-party kernels with kexec-hardboot patch
no need with kexec workaround
Uninstaller :- multirom_uninstaller.zip
Flash this ZIP file to remove MultiROM from your device. It will erase all secondary ROMs. If you don't want MultiROM menus in recovery, re-flash clean TWRP, but it is not needed - those menus don't do anything if MultiROM is not installed.

Reserved
FAQ's
1. Should I flash recovery only via Flashify app?
-Not essentially, You can flash it via recovery.
Boot to TWRP.
Install->Tap on Images(bottom right screen)>Locate and select your recovery.img
Flash to 'Recovery' partition.
Reboot back to TWRP(IMPORTANT).
2.Can I flash any other kernels?
-yes you can flash any roms
3.Which roms can I flash?
-All Android 5.1+ roms can be flashed without any issues.
miui is not supported
4.How to flash without Hardbricking?
-Follow the steps from OP and there are videos to make the things easy in initial pages.
Maximum it causes bootloops(softbrick), not hardbrick if you follow the guide.
5.Can I flash roms to ext-sd card and USB-otg? How?
-Yes you can flash them to ext-sd card and USB-otg.
Boot to TWRP.
Tap on Multirom.
Tap on ADD ROM
Select the right Location
Flashing on ext-sd and USB otg takes some time, so be patient, don't freak out!
sd1 = usb otg
mmcblklpa = sd card
6.Where to find roms installed in my ext-sd and USB? How to boot into 'em?
-After flashing you'll be booted into MultiROM menu.
All your roms flashed on internal memory will be in Internal tab.
Others will be in External tab.
7.How to rename/remove/delete/wipe dalvik & cache or flash any other zips to existing rom?
-Follow
Boot to recovery.
Tap on MultROM
Tap on the rom which you want to remove/add zips.
You'll find all the options you need!
9."Unable to flash, I'm getting errors" / "Executing updater script failed" / "Rom is not booting" ????
-Please provide logs. It'll be located in /data/media/0/multirom/last_kexec. log
It'd great if you can provide the screenshots.
Press VOL DOWN + LOCK KEY to take Screenshots.
10.How to disable auto boot / change rom name / hide roms / brightness of Multirom menu?
-Follow
Boot to recovery.
Tap on MultiROM.
Tap on 3 dots on top right of screen.
Select settings.
Here you find all the customisations for MultiROM menu.

BUGS
- Miui is not supported
Credits @nkk71 for his no kexec workaround @Abhishek from yu forums @TheStrix for cm
NOTE :- All the devs are requested to help in improving this project as it is still in beta stage

Reserved for future....who knows what crazy post will be made here
Good job @zeeshanhussain12

VIDEO GUIDE (SOON WILL BE KENZO SPECIFIC)

Awesome.... Thank you
Sent from my SHIELD Tablet using XDA-Developers mobile app

yes,it looks so good
Sent from my Hol-U19 using XDA-Developers mobile app

Shahan_mik3 said:
Reserved for future....who knows what crazy post will be made here[emoji14]
Good job @zeeshanhussain12
Click to expand...
Click to collapse
Come make eos rom like mi3 here m8.. Im ex-user mi3..
Sent from my Redmi Note 3 using XDA-Developers mobile app

Can't boot to the rom...
The multirom screen shows up and when i select the rom, device reboots and again shows up....
I had to uninstall multirom and now it's booting into my primary rom normally...

This looks interesting. I’m definitely going to try it.
But when you say MIUI not supported, does that mean MIUI doesn’t work as a secondary ROM, or MIUI doesn’t work at all? How about Xiaomi.EU builds that don’t mess with TWRP? I’ve never tried MultiROM, but I have recently been playing with Dual Boot Patcher on my old Redmi 1S. I can get Xiaomi.EU MIUI to work both as a primary and a secondary ROM, but I also have to flash TWRP every time I update it.
Also what happens if I use ROMs with different bootloaders? For example, Santhosh uses stock MM bootloader and Balika011 uses a modified bootloader from AOSP ROM (I think). How would that work?

nice to see you here buddy @zeeshanhussain12.

ayush321 said:
Can't boot to the rom...
The multirom screen shows up and when i select the rom, device reboots and again shows up....
I had to uninstall multirom and now it's booting into my primary rom normally...
Click to expand...
Click to collapse
Working on porting kexec to our kernel ( currently it stuck on mi logo) this workaround is not working with all ROMs
edit- looks like the problem is with dtb. people are using different trees for roms which have different dtb. it is causing this issue. we have to wait for official cm trees or use the roms which is built by same trees . the roms i tried was built by same trees thats why its fine for me
Sent from my Redmi Note 3 using Tapatalk

Filip013 said:
This looks interesting. I’m definitely going to try it.
But when you say MIUI not supported, does that mean MIUI doesn’t work as a secondary ROM, or MIUI doesn’t work at all? How about Xiaomi.EU builds that don’t mess with TWRP? I’ve never tried MultiROM, but I have recently been playing with Dual Boot Patcher on my old Redmi 1S. I can get Xiaomi.EU MIUI to work both as a primary and a secondary ROM, but I also have to flash TWRP every time I update it.
Also what happens if I use ROMs with different bootloaders? For example, Santhosh uses stock MM bootloader and Balika011 uses a modified bootloader from AOSP ROM (I think). How would that work?
Click to expand...
Click to collapse
miui gives error while flashing as secondary. i have not tried Xiaomi.EU roms. i have ported DualBootPatcher too i have it in my drive . it doesn't work well with sd 650 as qcom changed base directory in mm and lp. the current problem is with dtb nearly every rom is using different source which have different dtb, it is causing problems. we just have to wait for one official source or use the roms which is built with same trees

zeeshanhussain12 said:
Working on porting kexec to our kernel ( currently it stuck on mi logo) this workaround is not working with all ROMs
edit- looks like the problem is with dtb. people are using different trees for roms which have different dtb. it is causing this issue. we have to wait for official cm trees or use the roms which is built by same trees . the roms i tried was built by same trees thats why its fine for me
Sent from my Redmi Note 3 using Tapatalk
Click to expand...
Click to collapse
Can you tell me which roms are currently working with multiROM...

Reserved
Waiting for miui support
Sent from my Redmi Note 3 using XDA-Developers mobile app

Hadi al-Haiqal said:
Come make eos rom like mi3 here m8.. Im ex-user mi3..
Click to expand...
Click to collapse
Haha Eos was the best and can't be replaced

zeeshanhussain12 said:
[/CENTER]
Introduction
MultiROM is one-of-a-kind multi-boot mod for Redmi note 3. It can boot any Android ROM as well as other systems like Ubuntu Touch, Plasma Active, Bohdi Linux or WebOS port, once they are ported to our device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs, daily prebuilt image files to install Ubuntu Touch and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.​
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Use for example Ubuntu Touch or Desktop alongside with Android, without the need of device formatting, once they are ported to the redmi note 3
* Boot from USB drive attached via OTG cable
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is messing with boot sector and data partition. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.​
Installation
1. Via MultiROM Manager app (We do not have Official Support, so this is not an option for us yet)
This is the easiest way to install everything MultiROM needs. Install the app (Not for Moto X Play) and select MultiROM and recovery on the Install/Update card. If the Status card says Kernel: doesn't have kexec-hardboot patch! in red letters, you have to install also patched kernel (If you want to use Kexec) - either select one on the Install/Update card or get some 3rd-party kernel here on XDA. You are chosing kernel for your primary ROM, not any of your (future) secondary ROMs, so select the version accordingly.
Press "Install" on the Install/Update card to start the installation.​
2. Manual installation
Firstly, there are videos on youtube. If you want, just search for "MultiROM installation" on youtube and watch those, big thanks to all who made them. There is also an awesome article on Linux Journal.
MultiROM has 3 parts you need to install:
Modified recovery (TWRP_multirom_lux_YYYYMMDD.img) - download the IMG file from second post and use fastboot, TWRP or Flashify app to flash it.
Patched kernel - you can find it in the second post. Download the ZIP file and flash it in recovery. You can use any 3rd-party kernel which include the patch. we dont need patch kernel with the no kexec workaround
MultiROM (multirom-YYYYMMDD-vXX-wt88047-signed.zip) - download the ZIP file from second post and flash it in recovery.
You current rom will not be erased by the installation.
Download links are in the second post.​
Adding ROMs
1. Android
Go to recovery, select MultiROM -> Add ROM. Select the ROM's zip file and confirm.​
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.​
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to MultiROM in recovery and do Inject curr. boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Explanation of recovery menus
Main menu
- Add ROM - add ROM to boot
- List ROMs - list installed ROMs and manage them
- Inject boot.img file - When you download for example kernel, which is distrubuted as whole boot.img (eg. franco kernel), you have to use this option on it, otherwise you would lose MultiROM.
- Inject curr. boot sector - Use this option if MultiROM does not show up on boot, for example after kernel installation.
- Settings - well, settings.
Manage ROM
- Rename, delete - I believe these are obvious
- Flash ZIP (only Android ROMs) - flash ZIP to the ROM, for example gapps
- Add/replace boot.img - replaces boot.img used by this ROM, this is more like developer option.
- Re-patch init - this is available only for ubuntu. Use it when ubuntu cannot find root partition, ie. after apt-get upgrade which changed the init script.​
XDA:DevDB Information
[MOD][MultiROM][v33][Beta 1][kenzo], Tool/Utility for the Xiaomi Redmi Note 3
Contributors
zeeshanhussain12
Source Code: https://github.com/multirom-nexus6p
Version Information
Status: Beta
Beta Release Date: 2016-06-15
Created 2016-06-15
Last Updated 2016-06-15
Click to expand...
Click to collapse
Awesome Work buddy! Keep going!

@War_machine28 said:
Awesome Work buddy! Keep going!
Click to expand...
Click to collapse
Please don't quote the whole op...

[MOD][08/03/2016] MultiROM v33x for Xperia Z [ABANDONED]

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Introduction
MultiROM is one-of-a-kind multi-boot mod. It can boot any Android ROM as well as other systems like Ubuntu Touch, once they are ported to that device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Boot from USB drive attached via OTG cable
You can also watch a video which shows it in action.​
Warning
It is dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.​
Installation
Manual installation
Firstly, there are videos on youtube. If you want, just search for "MultiROM installation" on youtube and watch those, big thanks to all who made them. There is also an awesome article on Linux Journal.
MultiROM has 2 parts you need to install + one optional (deprecated) :
MultiROM (multirom-YYYYMMDD-v33x-yuga.zip) - download the ZIP file from second post and flash it in recovery.
Modified recovery (multirom-YYYYMMDD-recovery-yuga.zip) - download the ZIP file from second post and use a recovery to flash it into the FOTA partition
DEPRECATED: Patched kernel - You can use those kernels on most Marshmallow and Lollipop based primary ROMs to add kexec boot support.
Be aware that those patchers will be updated when possible after kernel sources updates
Kexec support no longer required thanks to the no-kexec workaround by nkk71.
For convenience reasons, I enabled the workaround by default if kexec is not found.
You current rom will not be erased by the installation.
Download links are in the second post.​
Adding ROMs
1. Android
Go to recovery, select Advanced -> MultiROM -> Add ROM. Select the ROM's zip file and confirm.
Recommended values are :
Cache : Keep default value
Data : Minimum 4000
System : 1000 is enough for most installs
Using USB drive
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Android to 4Gb image on a pretty fast USB drive takes about 20 minutes maximum.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.​
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to Advanced -> MultiROM in recovery and do Inject curr. boot sector.
OPTIONAL: Reflash the kernel patcher to add kexec support
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to Advanced -> MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Explanation of recovery menus
Main menu
- Add ROM - add ROM to boot
- List ROMs - list installed ROMs and manage them
- Inject boot.img file - When you download for example kernel, which is distrubuted as whole boot.img (eg. franco kernel), you have to use this option on it, otherwise you would lose MultiROM.
- Inject curr. boot sector - Use this option if MultiROM does not show up on boot, for example after kernel installation.
- Settings - well, settings.
Manage ROM
- Rename, delete - I believe these are obvious
- Flash ZIP (only Android ROMs) - flash ZIP to the ROM, for example gapps
- Add/replace boot.img - replaces boot.img used by this ROM, this is more like developer option.
- Re-patch init - this is available only for ubuntu. Use it when ubuntu cannot find root partition, ie. after apt-get upgrade which changed the init script.​
Source code
MultiROM - https://github.com/XperiaMultiROM/multirom (branch master)
Modified TWRP- https://github.com/Tasssadar/Team-Win-Recovery-Project (branch android-6.0)​
MultiROM available for Yuga also thanks to :
- Tasssadar
- The XperiaMultiROM team
- The MultiROM HTC team
- Arvind7352
- nkk71
- AdrianDC​
XDA:DevDB Information
MultiROM for Xperia Z, Tool/Utility for the Sony Xperia Z
Contributors
@Chippa_a
Thread Source Code: http://forum.xda-developers.com/xperia-sp/orig-development/mod-multirom-xperia-sp-t3351032
Version Information
Status: Abandoned

Downloads
1. Main downloads
MultiROM: multirom-2016MMDD-v33x-yuga.zip
Modified recovery (based on TWRP 3): multirom-2016MMDD-recovery-fota-yuga.zip
2. Uninstaller
MultiROM uninstaller: Unavailable for Yuga due to the already considerable SONY ELF format port
Reflash a ROM or a boot.img without injection (or the v33x zip) to remove MultiROM bootimage from your device.
Then delete the "multirom..." folders from internal & external storages.
If you don't want MultiROM menus in recovery, re-flash a normal TWRP, but it is not needed,
those menus don't do anything if MultiROM is not installed.​
How to install for the first time
Flash the 2 MultiROM zips as explained
Reboot to the FOTA Recovery (Volume +)
In MultiROM TWRP, Add a ROM, set everything properly
Wait for the ROM to be installed (can take a while)
In MultiROM screen, choose the ROM location
For the concerned ROM, "Flash zip" for wished zips (GApps, SuperSU, Addons...)
Read about the no-kexec workaround by nkk71 here : http://forum.xda-developers.com/showpost.php?p=64248526&postcount=4
Reboot the phone
Changelog
Code:
MultiROM v33x - 03/08/2016
======================================
* Initial release with full SONY ELF port and dual ramdisk support
Recoveries :
Code:
03/08/2016
======================
* Initial Yuga release
Supported ROMs
Code:
[COLOR="Gray"][SIZE="2"]Actually should be OK on all available ROMs
But this is a confirmed list[/SIZE][/COLOR]
CyanogenMod 12.1 : OK (Primary & Second)
CyanogenMod 13.0 : OK (Primary & Second)
ResurrectionRemix-MM: OK (Primary & Second)
SONY Stock 5.1.1: OK (Primary & Second)

FAQ and other notes
About security
In order to make multi-booting possible, MultiROM has to sacrifice some security measures. Firstly, on secondary Android ROMs, /system is not mounted read-only. While there are other things preventing malicious software from messing with /system, this might potentialy make it easier for such software to attack that system.
Next, MultiROM doesn't work with /data encryption. Not many people who use custom ROMs also use encryption anyway, so that isn't much of a concern.
What do the ROMs share?
All ROMs are separate, except /sdcard, which is shared between all Android ROMs.
Why is my USB connection to computer not detected ?
Uncheck the "Enable ADB" option in MultiROM Settings.
How many ROMs can I have?/Where are the ROMs stored?
You can have as many ROMs as you can fit in your /sdcard. All the ROMs are stored in /sdcard/multirom/roms or on an USB drive./external SD card. This folder is unaccessible in Android, to prevent mediascanner from scanning it. You can either in recovery, or obtain root and go to /data/media/0/multirom/roms.
Can I have different versions of Android working alongside?
Yes.
MultiROM recovery says it's 2.8.4. Why isn't it updated to 2.8.4.*highernumber*?
It is, it just shows wrong version.
The menu with all the ROMs won't show up during boot, how to fix it?
Either re-flash the MultiROM zip or go to recovery, Advanced -> MultiROM -> Inject curr. boot sector.
The reason for this is that something rewrote your boot.img, which happens for example when you flash a kernel. MultiROM's boot menu is part of the boot image, so it has to be added into it again.
Something wrong happened, I lost something or it's really laggy
You have been warned about making backups & the fact this is more experimental than stable.
You alone will be responsible for loosing data or having an usable ROM when you really needed it.
Everyone in this thread will try to help you, but we can't do backups of your data ourselves.
Thanks for your understanding, remember to read the previous comments and please try to help each other.​

awesome work bro! Can't wait to test. Ill report you very soon! :good:

Nice to see someone taking over. I'll close my thread.
Sent from my Sony Xperia Z3+ using XDA Labs

Can i use latest zombie kernel for primary rom ? Zombie kernel have kexec hardboot support ..

itsnie said:
Can i use latest zombie kernel for primary rom ? Zombie kernel have kexec hardboot support ..
Click to expand...
Click to collapse
Please read OP again. Especially about "no-kexec workaround".

i installed both zip file.but recovery hasnt multirom option in andvanced!!!

Thank you a lot, I'll try it later!

The basketbuild site isn't working,they are doing recovery,
Would you please upload the files to another server?
Sent from my C6603 using Tapatalk

Does anyone know if there is multirom development on the xperia z5 e6653? I got it working on and of, but there are more breakdowns than anything else. This results in having to frequently reinstall the original boot.img and restart from scratch. Any help is appreciated. Thx
Sent from my E6653 using XDA-Developers mobile app

i have installed in xperia z and flash cm13 in sd card.. on multirom i have seleceted CM13 but still booting in to primary
---------- Post added at 08:34 AM ---------- Previous post was at 07:44 AM ----------
multirom worked using ressurection remix and cm 14 thank u.....

I tried -
PureX Z Premium v3.0
X rom ( 5.1)
Xperia_Z_eXistenZ_Premium
ResurrectionRemix-N-v5.8.0
almost all stock based ,But non of them works and gives error during flashing..
Only
ResurrectionRemix-M-v5.7.4
Omni rom , are working fine ...
Any help how to use sony stock roms or others ?

Chippa_a said:
Why is my USB connection to computer not detected ?
Uncheck the "Enable ADB" option in MultiROM Settings.
Click to expand...
Click to collapse
Did not help... the setting is unchecked by default.
Charging on a Wallcharger works, pluging the phone to the computer doesn't show anywhing.
Falshing the Recovery only still worked fine, but after flashing the MultiROM zip the phone doesn't budge when connected to the Computer.
Syslog attached.

The MultiROM menu is not under Advanced such as v32 rather the icon upper right - pic 1.
RR N 7.1.1 as second Rom failed, ERROR 7 @ RR M 6.0.1 - pic 2.
My oldest backup Omnirom 4.4.4 as sec Rom was successfully - pic 3.
#Edit: Additional compatible secondary ROMs::
-XOSP M [6.0.1] [Unofficial] [Release 6] 6.3 [Revision 3] [2016/08/03]
-AOSP M [6.0.1] [FINAL] [OMS/Substratum] [Updated 31-10-2016]

The installation of Lineage 14.1 as sec also ends with Error 7.
Now the burning question arises: What is and why ERROR: 7?

MichaBit said:
The installation of Lineage 14.1 as sec also ends with Error 7.
Now the burning question arises: What is and why ERROR: 7?
Click to expand...
Click to collapse
You need newer twrp recovery for newer roms

langeveld024 said:
You need newer twrp recovery for newer roms
Click to expand...
Click to collapse
There was und is always the newest One installed. :angel:

MichaBit said:
There was und is always the newest One installed. :angel:
Click to expand...
Click to collapse
Alright but error 7 ALWAYS means wrong recovery

langeveld024 said:
Alright but error 7 ALWAYS means wrong recovery
Click to expand...
Click to collapse
Oh, Im currently desiring LEOs 3.1.1, so I will give Nailyk a drink.

[MOD]MultiROM for Galaxy A5 (SM-A500)

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Introduction
MultiROM is one-of-a-kind multi-boot mod for Galaxy A5. It can boot any Android ROM as well as other systems like Ubuntu Touch, Plasma Active, Bohdi Linux or WebOS port, once they are ported to our device. Besides booting from device's internal memory, MultiROM can boot from USB drive connected to the device via OTG cable. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs, daily prebuilt image files to install Ubuntu Touch and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.
Features:
* Multiboot any number of Android ROMs
* Restore nandroid backup as secondary ROM
* Use for example Ubuntu Touch or Desktop alongside with Android, without the need of device formatting, once they are ported to Galaxy A5
* Boot from USB drive attached via OTG cable​
Warning!
It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is messing with boot sector and data partition. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.​
Installation
1) Flash Modified TWRP with odin or extract the tar file and install the img file with flashify or another recovery that has img install feature
2) Flash MultiROM zip in TWRP
3) enjoy
MultiROM has 3 parts you need to install:
Modified recovery Download the Modified TWRP for MultiROM
Patched kernel *OPTIONAL* : Not Needed
MultiROM download the ZIP file from second post and flash it in recovery.
Downloads:
Modified TWRP for MultiROM: https://www.androidfilehost.com/?w=files&flid=110082 Since the recovery image was too big for recovery partition, I used LZMA compression instead of LZO for the kernel, which saved about 3 MB
MultiROM: https://www.androidfilehost.com/?w=files&flid=110089
MultiROM Uninstaller: https://www.androidfilehost.com/?w=files&flid=110117
If you get force closes on secondary nougat ROMs:
Flash the rom, open /sdcard/multirom/roms/rom_name/system/build.prop on primary, or on TWRP with "vi" editor
and change:
Code:
ro.sys.sdcardfs=true
to
Code:
#ro.sys.sdcardfs=true
Then reboot.
DO NOT reboot the rom before changing build.prop line otherwise you will still get force closes!
You current rom will not be erased by the installation.​
Important: Since the Kernel hasn't Kexec Hardboot patch, you have to check "use no kexec workaround" box in multirom settings
Adding ROMs
1. Android
Go to recovery, select Advanced -> MultiROM -> Add ROM. Select the ROM's zip file and confirm.​
Using USB drive (not tested yet)
During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.​
Updating/changing ROMs
1. Primary ROM (Internal)
Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
Go to Advanced -> MultiROM in recovery and do Inject boot sector.
2. Secondary Android ROMs
If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:
Go to Advanced -> MultiROM -> List ROMs and select the ROM you want to update.
Select "Flash ZIP" and flash ROM's ZIP file.
Explanation of recovery menus
Main menu
- Add ROM - add ROM to boot
- List ROMs - list installed ROMs and manage them
- Inject boot.img file - When you download for example kernel, which is distrubuted as whole boot.img (eg. franco kernel), you have to use this option on it, otherwise you would lose MultiROM.
- Inject boot sector - Use this option if MultiROM does not show up on boot, for example after kernel installation.
- Settings - well, settings.
Manage ROM
- Rename, delete - I believe these are obvious
- Flash ZIP (only Android ROMs) - flash ZIP to the ROM, for example gapps
- Add/replace boot.img - replaces boot.img used by this ROM, this is more like developer option.
- Re-patch init - this is available only for ubuntu. Use it when ubuntu cannot find root partition, ie. after apt-get upgrade which changed the init script.​
How does Kexec workaround works
You need to a kexec-hardboot supporting kernel or the non-kexec workaround as described perfectly by @nkk71 here: http://forum.xda-developers.com/show...26&postcount=4 (Be sure to leave him a thanks!)
Source code
MultiROM - https://github.com/nkk71/multirom
Modified TWRP - https://github.com/nkk71/android_bootable_recovery
Device Tree: https://github.com/DeadSquirrel01/android_device_samsung_a5ultexx branch cm-13.0-mrom
Kernel w/ kexec-hardboot patch: NOT NEEDED​
Credits
A big thanks for:
@nkk71 For kexec workaround and for helped me in IRC
@Tasssadar For MultiRom Source Code
That made this possible
Donations (Please donate to the Creator @Tasssadar )
I'd be glad if you could spare a few bucks. You can use either paypal or Bitcoins, my address is 172RccLB2ffSnJyYwjYbUD3Nx4QX3R8Ris​
Click to expand...
Click to collapse
​
XDA:DevDB Information
MultiROM for Galaxy A5 (SM-A500), Tool/Utility for the Samsung Galaxy A Series
Contributors
DeadSquirrel01
Version Information
Status: Beta
Current Beta Version: 1.0
Beta Release Date: 2016-09-10
Created 2016-09-10
Last Updated 2016-09-10

Reserved

AWESOME!!!!!!!!!!!!!!!FINALY!!!!!!!!!!!:good::good::good:

-CALIBAN666- said:
AWESOME!!!!!!!!!!!!!!!FINALY!!!!!!!!!!!:good::good::good:
Click to expand...
Click to collapse
He he thanks

one lil question from me.my current rom be untouched when i flash it,right?Because my current rom is working perfect and i dont need fail,thanx.

-CALIBAN666- said:
one lil question from me.my current rom be untouched when i flash it,right?Because my current rom is working perfect and i dont need fail,thanx.
Click to expand...
Click to collapse
No, it will br untouched, but a backup waste only 5 times, at massimum, so, if you have some free space make a backup, but as I said, it will be untouched

;DD will it work like this?
primary - stock touchwiz
secondary - cm 13
?
Thanks

supertiger1234 said:
;DD will it work like this?
primary - stock touchwiz
secondary - cm 13
?
Thanks
Click to expand...
Click to collapse
Sure

It's working perfectly! Thanks! hmm is cm 13 the best or rr? or anything else? xD
Edit: I'll choose your PacRom ;D

supertiger1234 said:
It's working perfectly! Thanks! hmm is cm 13 the best or rr? or anything else? xD
Click to expand...
Click to collapse
CM is pure android, rr has lots of feature regarding the personalization, so, if you want a rom wich is pure android, get the cyanogenmod, otherwise, if you like to personalize your android get the resurrection remix. Oh you installed multirom, so you can install both of them (you can install more than 2 roms) and decide which one is better for you
EDIT: if you use pac-rom you have to move this as primary, because it has a bug that won't boot if you set it as secondary

hmm is it normal to have "failed to mount /preload (invalid argument)"? happens when i flash rr
Edit: when i choose rr from the list, the device just reboots to multirom menu. hmm

supertiger1234 said:
hmm is it normal to have "failed to mount /preload (invalid argument)"? happens when i flash rr
Click to expand...
Click to collapse
Not, try to reboot to recovery and then reflash

DeadSquirrel01 said:
Not, try to reboot to recovery and then reflash
Click to expand...
Click to collapse
Okay I deleted and reflashed the rom, still the same error, hmm
Edit: when i go to mount and try to tick preload, it doesnt tick

Mmm, maybe i have to remove preload from the fstab. Now i'll do and notify once it's done

Works on my A500M with Stock 6.0.1 and CyanogenMod 13, thank you very much for port this mod to Galaxy A5

supertiger1234 said:
Okay I deleted and reflashed the rom, still the same error, hmm
Edit: when i go to mount and try to tick preload, it doesnt tick
Click to expand...
Click to collapse
Fixed, now download new twrp version (link in main post) and it should work
@codebseraph thanks for the support

DeadSquirrel01 said:
Fixed, now download new twrp version (link in main post) and it should work
@codebseraph thanks for the support
Click to expand...
Click to collapse
Hmm, The errors fixed buut now when I choose my second rom, it reboots to multirom menu xD
The non-kecex link doesn't work. Is there something important there?

Is the secondary rom pac-rom?
If yes, u have to move it as primary because it has a bug

DeadSquirrel01 said:
Is the secondary rom pac-rom?
If yes, u have to move it as primary because it has a bug
Click to expand...
Click to collapse
I'm trying rr and it's not working xD it's scary swapping
ResurrectionRemix-M-5.7.3-20160830-a5ultexx

supertiger1234 said:
I'm trying rr and it's not working xD it's scary swapping
ResurrectionRemix-M-5.7.3-20160830-a5ultexx
Click to expand...
Click to collapse
Well, it's a problem of the zip of the ROM. move it as primary or wait until I create a working installer
EDIT: maybe try with this installer https://www.androidfilehost.com/?w=file-thanks&fid=24591020540824243&mid=71&download_id=vlofv1jeu8k8ubpcpd375ql164&tid=1473585621&hc=c6de356c2e1c646fcb44f52216b36595df13152b92265bbb693814053fe5ca85