soft brick after flashing LineageOS - Xiaomi Mi 9 Questions & Answers

Hello!
My problem is that every time after i try flashing the unofficial LineageOS rom, my phone soft bricks and I have to flash the stock miui rom.
I can flash twrp without any issues and rooting my phone woks fluently but trying to flashing another rom doesn't work for some reasons.
Appreciate your help in advance!
link to rom: https://forum.xda-developers.com/Mi-9/development/unofficial-lineageos-17-0-cepheus-t4023133

jaybirdxyz said:
Hello!
My problem is that every time after i try flashing the unofficial LineageOS rom, my phone soft bricks and I have to flash the stock miui rom.
I can flash twrp without any issues and rooting my phone woks fluently but trying to flashing another rom doesn't work for some reasons.
Appreciate your help in advance!
link to rom: https://forum.xda-developers.com/Mi-9/development/unofficial-lineageos-17-0-cepheus-t4023133
Click to expand...
Click to collapse
What steps are you taking to flash the ROM? I've been running LineageOS for a few days now and I had no trouble flashing it.

Related

Many THanks

Did you use HardPSL before you flashed the ROM ?
If not, you may not be able to recover the device.
Maxi

New to Rom's

Hi, this might be asked a hunded times before, but i'm new to ROMs and looking for some feedback.
What are the steps for using a Custom ROM? Is it at all recommended for someone that haven't rooted his phone to go down that path already or should i stick with more basic stuff for now?
Is there any step by step good guide to start? I've been trying to root my phone using odin, but it's failing, will need to research a bit more.
Thank you
you need rooted device to install custom rom, because they use CWM recovery wish needs device to be rooted
rooting your phone is as easy as saying it , dont worry.
the easiest way is to flash jw4 gingerbread(2.3.6),and flash cf-root afterwards CF-ROOT , flash the version compatible with jw4 it is down there in the first page. read thoroughly before flashing.
any other question, feel free to post here i will help if i can.
masfe3 said:
Hi, this might be asked a hunded times before, but i'm new to ROMs and looking for some feedback.
What are the steps for using a Custom ROM? Is it at all recommended for someone that haven't rooted his phone to go down that path already or should i stick with more basic stuff for now?
Is there any step by step good guide to start? I've been trying to root my phone using odin, but it's failing, will need to research a bit more.
Thank you
Click to expand...
Click to collapse
What Android version are you currently on?
BlueFlame4 said:
What Android version are you currently on?
Click to expand...
Click to collapse
I'm trying to install now following this instructions for this custom ROM:
http://forum.xda-developers.com/showthread.php?t=1776738
Basically i rooted with the jvu, then the CT-ROOT kernel, and now i'm stuck at installing the ROM, it brings a .zip which i tried to copy to the internal memory. There's a signed and an unsigned version of the zip, the signed gives "signature validation error", the unsigned gives "no space on the device error"
You need to flash CM9 first before flashing anything based on CM9/CM10 or any ICS/Jelly Bean ROM in general. First flashing will give you a bootloop, don't worry and flash again!
BlueFlame4 said:
You need to flash CM9 first before flashing anything based on CM9/CM10 or any ICS/Jelly Bean ROM in general. First flashing will give you a bootloop, don't worry and flash again!
Click to expand...
Click to collapse
cool, looks like i sucessfully installed CM10 ROM
thanks

[Q] eXizistenZ ultra 4.0.0 bootloader

I am new to rooting and stuff.
So recently I bought Sony Xperia SP C502 .
The current firmware version is 12.1.A.1.205 .
I want to root my phone and install eXistenZ 4.0.0( rom based on stock rom )
My bootloader is locked.
Bootloader unlock is allowed.I don't want to unlock the bootloader.
Is it possible to root and install the rom without unlocking the bootloader ?
Will rooting and installing the rom automatically unlock it ?
please help I am a noob.
Existenz is for unlocked and locked bootloader
TsunaH said:
Existenz is for unlocked and locked bootloader
Click to expand...
Click to collapse
So installing it won't unlock my bootloader ?
Because i don't want to lose DRM keys and BE2.
See bro
Root it using app called towel root
Install super su not from play store
Install busybox installer from playstore
Install a custom recovery
And flash it
You won't be unlocking your bootloader
You can flash it on locked bootloader too.Flashing this rom won't unlock your bootloader
Existenz Ultra 4.0.0 - Awesome Rom
Existenz Ultra 4.0.0 is really awesome rom with all good features which covered honami as well as sony features.
Battery is good, and most of all AR effect which comes with the rom is the most enjoyable feature ever experienced.
But if this rom will be having good audio mod like Viper4Android.. viz. coz i have observed sound is a little bit less than stock. sorry for my bad english.
ROM Rocks......:good:
Steps for Switching Rom
I am currently using Cm11 on sony xperia sp, I have a unlocked BL and root access.
I would like to switch to a new custom rom now like XperianZe. I tried also, and in the process i bricked and also had a bootloop.
Can anyone please explain the detailed steps to do a fresh install to a new custom rom like XperianZe.
sanusunnyk said:
I am currently using Cm11 on sony xperia sp, I have a unlocked BL and root access.
I would like to switch to a new custom rom now like XperianZe. I tried also, and in the process i bricked and also had a bootloop.
Can anyone please explain the detailed steps to do a fresh install to a new custom rom like XperianZe.
Click to expand...
Click to collapse
Just follow the mentioned instructions in the respective thread. And as for Xperianz as you mentioned, you have to read this post.
Based on the post, it seemed the installation is straight forward. What makes you have a bootloop? Did you flashed the kernel mentioned in the thread via fastboot?
TechnoSparks said:
Just follow the mentioned instructions in the respective thread. And as for Xperianz as you mentioned, you have to read this post.
Based on the post, it seemed the installation is straight forward. What makes you have a bootloop? Did you flashed the kernel mentioned in the thread via fastboot?
Click to expand...
Click to collapse
yes, you guessed correct. i tried flashing the kernel. And the phone didn't start at all.. not even power up.
Later i read a post in XDA, in which it was described that i should do a hard rest by pushing the hole button at back and then try to boot.
Tats when i got boot-loop. I again flashed the custom kernel (DooMLoRD) and did installed CM11 again using CM recovery. Then the phone booted cm 11.
I followed this link and tried doing so. which resulted in phone not powering up and then boot-loop.
So now if i install Xperianz ROM following instruction in this link, it should be working properly correct?
Am sorry if am asking dump questions. Now am a bit scared to try to switch to this cutom ROM as i may end up bricking the phone again. The thing is I really don't want to mess it up again.
I am new to rooting n playing around with custom ROM. CM11 was my first try and was a success in first go.
Thank you for helping me.
sanusunnyk said:
yes, you guessed correct. i tried flashing the kernel. And the phone didn't start at all.. not even power up.
Later i read a post in XDA, in which it was described that i should do a hard rest by pushing the hole button at back and then try to boot.
Tats when i got boot-loop. I again flashed the custom kernel (DooMLoRD) and did installed CM11 again using CM recovery.
But now am a bit scared to try to switch to this cutom ROM as i may end up bricking the phone again. That's why i asked if anyone could give me detailed steps on how to do so.
I am new to rooting n playing around with custom ROM. CM11 was my first try and was a success in first go.
Thank you replying
Click to expand...
Click to collapse
I am concerned about how you flashed the kernel. How did you flash the kernel provided in the thread? Did you use adb or FlashTool?
If you want to try any other you can use Existenz as it require only the stock kernel.
TechnoSparks said:
I am concerned about how you flashed the kernel. How did you flash the kernel provided in the thread? Did you use adb or FlashTool?
If you want to try any other you can use Existenz as it require only the stock kernel.
Click to expand...
Click to collapse
I used FLashtool to flash the kernal.
If my understanding is correct, As of now i am not on stock kernal. When instaling CM11, I flashed the kernal of DoomLord for getting CM 6. recovery.
If this is the case should i flash the stock kernal first and then give a try for Existenz?
sanusunnyk said:
I used FLashtool to flash the kernal.
If my understanding is correct, As of now i am not on stock kernal. When instaling CM11, I flashed the kernal of DoomLord for getting CM 6. recovery.
If this is the case should i flash the stock kernal first and then give a try for Existenz?
Click to expand...
Click to collapse
Well Existenze require most Sony things out of the box, so you'll first need to have Stock ROM in place before flashing it's ZIP. I've dug through the Xperianze thread for you and seemed like your problem is not to be found in the thread. If you really want to try out Xperianze, you might want to flash the kernel via fastboot using adb, rather than Flashtool.
TechnoSparks said:
Well Existenze require most Sony things out of the box, so you'll first need to have Stock ROM in place before flashing it's ZIP. I've dug through the Xperianze thread for you and seemed like your problem is not to be found in the thread. If you really want to try out Xperianze, you might want to flash the kernel via fastboot using adb, rather than Flashtool.
Click to expand...
Click to collapse
Thanks a lot.
I will try it out. and let you.
Again Thanks a lot for your help.

[Q] roms not flashing

i, know that the title may sound a bit idiotic , but before telling me to flash this and that plz read out the entire problem,
So here goes..
I have a 16 gb Moto X xt 1052 (India) and weirdly I am not able to flash some custom roms present here, i flashed
[ROM][4.4.4][SlimKangs Moto X][SaberMod 4.8][Linaro][Build 7][2014/07/12]
and it flashed like a breeze, also eclipse rom
http://forum.xda-developers.com/moto-x/development/rom-eclipse-moto-x-v3-2-2-4-4-2-blur-t2521509
but, i haven't been able to install PA rom , CM11, Carbon, Dirty Unicorn , or any other rom saying unified built for msm8960dt
Plz tell me what should i do, and of course I tried , flashing them on TWRP, and CWM
i_piss_on_apple said:
i, know that the title may sound a bit idiotic , but before telling me to flash this and that plz read out the entire problem,
So here goes..
I have a 16 gb Moto X xt 1052 (India) and weirdly I am not able to flash some custom roms present here, i flashed
[ROM][4.4.4][SlimKangs Moto X][SaberMod 4.8][Linaro][Build 7][2014/07/12]
and it flashed like a breeze, also eclipse rom
http://forum.xda-developers.com/moto-x/development/rom-eclipse-moto-x-v3-2-2-4-4-2-blur-t2521509
but, i haven't been able to install PA rom , CM11, Carbon, Dirty Unicorn , or any other rom saying unified built for msm8960dt
Plz tell me what should i do, and of course I tried , flashing them on TWRP, and CWM
Click to expand...
Click to collapse
This is probably the problem: Did you flash the entire stock SBF file for your carrier -before- you tried to install the roms that aren't working?
I didn't check them all, but the Eclipse rom you linked specifically says in the OP that you need to do this. It is because it requires you to be on the 4.4.2 boot.img (kernel) and baseband. You likely have mismatched versions because you have been flashing other ROMS.
Just follow the instructions in the "Return to Stock" thread to flash back to the most recent OFFICIAL firmware you were on. DO NOT ATTEMPT TO DOWNGRADE! If at any point you had the 4.4.3 OFFICIAL ROM on the phone, do NOT flash 4.4.2
Also, if you ever had the 4.4.3 boot.img (kernel) on there, Eclipse specifically says it requires you to be on the 4.4.2 Kernel/baseband.
You need to be really careful to not downgrade. Doing this has left many X users with bricks...
Can you give that a shot and let us know if it fixes your issue?
Good Luck
No, plz Check the other rom , that rom too is a cm based rom i gues but it doesn't give me any trouble,
Also I tried flashing those rom over my stock rom but TWRP just says FAILED

HELP needed (can't flash stock rom)

Galaxy Note 5 SM-N920G I need some help here. After a long time using custom roms, recently I've tried to flash a stock rom to my device (it was an Indian nougat rom from sammobile) and I got an error on Odin when flashing system. After that I lost my recovery (TWRP) an my Note 5 went only in download mode. Then a I flashed TWRP again and installed a custom rom again. Now I'm trying to flash any stock rom and I am getting random errors like "device 1 binary 0". I've tried many different roms and 0 luck. Someone could help me here? I never have this problem before and I just don't know more what to do.
diegowebber said:
Galaxy Note 5 SM-N920G I need some help here. After a long time using custom roms, recently I've tried to flash a stock rom to my device (it was an Indian nougat rom from sammobile) and I got an error on Odin when flashing system. After that I lost my recovery (TWRP) an my Note 5 went only in download mode. Then a I flashed TWRP again and installed a custom rom again. Now I'm trying to flash any stock rom and I am getting random errors like "device 1 binary 0". I've tried many different roms and 0 luck. Someone could help me here? I never have this problem before and I just don't know more what to do.
Click to expand...
Click to collapse
Peace..
I'm having the same exact problem--I found firmware that only flashed to radio--then abruptly stopped--wiping my system, so i'm stuck in download mode, phone will not power off. Instead of flashing Nougat ROM, i opted to flash "stock" MM firmware (6.01) and let phone update to Nougat on its on---then re-root it. As of now I have a paper-weight and it appears there's no support for 920G
Have you all tried Smart Switch?
CodeNameRedNeck said:
Have you all tried Smart Switch?
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Click to collapse
Yes... Smart Switch gave me an error in 2 ways of restoration.
ZEDEK said:
Peace..
I'm having the same exact problem--I found firmware that only flashed to radio--then abruptly stopped--wiping my system, so i'm stuck in download mode, phone will not power off. Instead of flashing Nougat ROM, i opted to flash "stock" MM firmware (6.01) and let phone update to Nougat on its on---then re-root it. As of now I have a paper-weight and it appears there's no support for 920G
Click to expand...
Click to collapse
Paper-weight? That's bad... Can't you flash a custom recovery on Odin and install a custom rom? I still can do that.
diegowebber said:
Galaxy Note 5 SM-N920G I need some help here. After a long time using custom roms, recently I've tried to flash a stock rom to my device (it was an Indian nougat rom from sammobile) and I got an error on Odin when flashing system. After that I lost my recovery (TWRP) an my Note 5 went only in download mode. Then a I flashed TWRP again and installed a custom rom again. Now I'm trying to flash any stock rom and I am getting random errors like "device 1 binary 0". I've tried many different roms and 0 luck. Someone could help me here? I never have this problem before and I just don't know more what to do.
Click to expand...
Click to collapse
It's because you flashed Nougat and that's Android 7.0 and it now thinks you're trying to "downgrade", which is pretty much blocked by trying to use "stock" roms.. The only thing you could probably do is find the stock rom you're interested in flashing but make sure it can be flashed via TWRP.. I don't think you can use Odin now to flash backwards "downgrade" to another stock rom after flashing Nougat 7.0..
MrMike2182 said:
It's because you flashed Nougat and that's Android 7.0 and it now thinks you're trying to "downgrade", which is pretty much blocked by trying to use "stock" roms.. The only thing you could probably do is find the stock rom you're interested in flashing but make sure it can be flashed via TWRP.. I don't think you can use Odin now to flash backwards "downgrade" to another stock rom after flashing Nougat 7.0..
Click to expand...
Click to collapse
Interesting... So maybe I can wait for a nougat ZTO ROM an then try to flash? Anyway, thanks for the help
MrMike2182 said:
It's because you flashed Nougat and that's Android 7.0 and ..
Click to expand...
Click to collapse
Good catch, I hadn't even thought of that.
CodeNameRedNeck said:
Good catch, I hadn't even thought of that.
Click to expand...
Click to collapse
Well I figured out you can downgrade from Nougat to Marshmallow but that's only to a specific firmware version. Depending upon what bootloader has been flashed (meaning if you flashed Nougat bootloader you can only go back to Marshmallow with the same bootloader level).. But this is only working (surprisingly) on the locked bootloaders of Verizon and AT&T.. The other S6 Edge Plus I have with an unlocked bootloader and tripped knox that I recently acquired will not accept nothing stock which is unusual, but I'm still working on that one.

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