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Can't mount system as r/w on rooted device

Hi. I will try to give as much info as possible so bare with me.
I have a Sony Z1 C6903 on build 14.3.A.0.757 Android 4.4.2
I rooted it using a prerooted firmware method with duel recovery (I think by doomlord not 100%) which involved downgrading my firmware back to Jellybean then rooting it and then flashing the prerooted firmware ect..
The root method worked perfectly and my device is fully working, but just recently I tried installing the features for the camera from the Z2 which involves moving the apk to the system/app folder but none of the apps can mount my system as r/w, I have tried ES File Explorer, Root Explorer, Total Commander and even TWRP's built in file manager and all of which are granted root access by SuperSU but won't mount the system as r/w.
I checked with root checker and it says I'm rooted and all other root apps seem to be working fine. I also have an LG G-Pad 8.3 on kitkat rooted and a Samsung Galaxy S2 on Cyanogenmod 11 both of which can mount the file system as r/w and I've rooted a lot of other devices with no issue.
One thing that doesn't make a lot of sense is that none of the apps can mount system as r/w on my Z1 yet if I tell SuperSU to install itself to the system from its own menu it works with no problem.
I just need a solution to this issue and would rather not reroot it again as the root method for this device is a pita, it's also worth mentioning that I can't unlock the bootloader on my device to root it that way as my phone has "Unlock Bootloader Allowed:" set to No.
Thanks.
Sent from my C6903 using Tapatalk

I'm not sure but it sounds like you're using an older version of recovery that didn't allow full root.
Try flashing the latest version of NUT's XZDualRecovery (Z1-lockeddualrecovery2.7.123):
http://forum.xda-developers.com/showthread.php?t=2261606

hush66 said:
I'm not sure but it sounds like you're using an older version of recovery that didn't allow full root.
Try flashing the latest version of NUT's XZDualRecovery (Z1-lockeddualrecovery2.7.123):
http://forum.xda-developers.com/showthread.php?t=2261606
Click to expand...
Click to collapse
I will try that a bit later. Think the version I'm on is 2.7.75beta
Sent from my C6903 using Tapatalk

dan-youd said:
I will try that a bit later. Think the version I'm on is 2.7.75beta
Sent from my C6903 using Tapatalk
Click to expand...
Click to collapse
Just upgraded the recovery. All went well but still having the same issue
Sent from my C6903 using Tapatalk

@dan-youd
You can try this:
Download this UPDATE-SuperSU-v1.94.zip from chainfire, copy the zip on your phone reboot into recovery and flash it.

Just tried it now. TWRP wouldn't flash it because it wouldn't mount the system but CWM flashed it no problem. Got back into the OS and still same problem
Sent from my C6903 using Tapatalk

[Q] How to Root Xperia Z1 KitKat 4.4.4 14.4.A.0.108 ?

I´ve installed the new official Firmware for the xperia z1 the 14.4.A.0.108. The problem is that i´ve lost root and the Towelroot method is not working with this new update. What can i do? how can i root my phone with this new firmware? Thanks for the help guys. :good:

http://nut.xperia-files.com/?dlid=WjEtbG9ja2VkZHVhbHJlY292ZXJ5Mi43LjEzMi1CRVRBLmluc3RhbGxlci56aXA=

How This Work?
How This Work? I just have to run the install.bat with the phone connected to the PC? Thanks

i rooted using easy root tool v7. http://forum.xda-developers.com/showthread.php?t=2784900 then download NUTS dual recovery and install it, use option 1. http://forum.xda-developers.com/showthread.php?t=2261606 it took me less than 20 mins i would say. device was rooted, no problems.

Thanks
mahalkosijoy said:
i rooted using easy root tool v7. http://forum.xda-developers.com/showthread.php?t=2784900 then download NUTS dual recovery and install it, use option 1. http://forum.xda-developers.com/showthread.php?t=2261606 it took me less than 20 mins i would say. device was rooted, no problems.
Click to expand...
Click to collapse
Thank You My Friend !!! It Works Perfect !!! I´m Root Again

One More Question
alvarez_jma said:
Thank You My Friend !!! It Works Perfect !!! I´m Root Again
Click to expand...
Click to collapse
I Have one more question. What is dualrecovery ? & What can i do with that? Thansk Again

alvarez_jma said:
I Have one more question. What is dualrecovery ? & What can i do with that? Thansk Again
Click to expand...
Click to collapse
dual recovery is the "recovery" for your device. you can wipe data, cache,dalvik and etc on in. and using it, you can make nandroid backups, flash mods, and other fun stuff. To access it, turn you phone off. Then turn it back on, be ready because it should flash a GREEN led light suddenly, once it lights up click either up or down volume until the color changes. Down volume = TWRP, Up volume = Philz touch I THINK. not sure with the up volume. i use TWRP for backups and mods and roms.

Thanks
mahalkosijoy said:
dual recovery is the "recovery" for your device. you can wipe data, cache,dalvik and etc on in. and using it, you can make nandroid backups, flash mods, and other fun stuff. To access it, turn you phone off. Then turn it back on, be ready because it should flash a GREEN led light suddenly, once it lights up click either up or down volume until the color changes. Down volume = TWRP, Up volume = Philz touch I THINK. not sure with the up volume. i use TWRP for backups and mods and roms.
Click to expand...
Click to collapse
Thank You Man !!!

Root Z1. KitKat 4.4.X
Hello everybody!
I am a new member here and i would like to share how i root my Xperia Z1 (C6903) KitKat 4.4.4. Version 14.4.A.0.108 with
stock Firmware and locked bootloader.
So, i have tried to root my phone with different flashtools, installed drivers etc etc but no luck. Finally i came over this page;
http://forum.xda-developers.com/xperia-z1/development/newroot-z1-t2807092
First: I disabled any antivirus, malwareprogram it can give a false viruswarning and remove the file. I extracted the program Newroot to my desktop (How to find the program see above link).
On the phone: I went to settings/about the phone, scrolled down to the bottom to: Version, tapped version several times (for me 7 times) and a popup comes up and say you are now a developer. Now i set the developer options to ON and enabled USB-debugging. As default i also have enabled installation from unknown resources and unchecked the box Verifying apps. (Settings/SecurityUnknown resources/Verifying apps).
Now, I connected my phone to the PC with the USB-cable. Started the program Newroot from desktop, in the popup of the program i see that option "Check this to root your phone" is set by default. Now i just hit proced button and the rooting started, kept an eye on my phone and the phone rebooted. That was all and i had rooted phone with the superuser app in the apps section! :victory:. For some users first root does not work properly. If not sure you have completely root, check root with: Check Root. You can find it on Google store here:
https://play.google.com/store/apps/details?id=com.avaranasoftware.checkroot
If there is any error-messages, or if it says that busybox is not installed, use the Newroot program again to Unroot the phone instead. After unroot use Newroot program again to Root your phone. After reboot check again with Check Root, now everything should be fine. and both superuser app and busybox should be installed.
Good luck!
Note: Above is only a description of how i successfully rooted my phone. So i don´t take any responsibility for any eventual problems for others who root their phone.
Huge thanks to munjeni for this awesome program! :highfive:

mahalkosijoy said:
dual recovery is the "recovery" for your device. you can wipe data, cache,dalvik and etc on in. and using it, you can make nandroid backups, flash mods, and other fun stuff. To access it, turn you phone off. Then turn it back on, be ready because it should flash a GREEN led light suddenly, once it lights up click either up or down volume until the color changes. Down volume = TWRP, Up volume = Philz touch I THINK. not sure with the up volume. i use TWRP for backups and mods and roms.
Click to expand...
Click to collapse
In CWM Recovery: if i choose wipe data/factory reset, will it unroot the phone and apply factory settings, same state as before rooting the phone?

alvarez_jma said:
I´ve installed the new official Firmware for the xperia z1 the 14.4.A.0.108. The problem is that i´ve lost root and the Towelroot method is not working with this new update. What can i do? how can i root my phone with this new firmware? Thanks for the help guys. :good:
Click to expand...
Click to collapse
http://techglen.com/2014/07/03/how-...xperia-z1-z1c-108-firmware-locked-bootloader/
By this link, you can have both DualRecovery and Rooted phone
Just needs locked BL
Have fun

It will not unroot the phone, but it will wipe all your user data

gregbradley said:
It will not unroot the phone, but it will wipe all your user data
Click to expand...
Click to collapse
So if i unroot the phone first, and then access recovery mode and choose that option, will it be the same as factory reset and i can use warranty of the phone if needed?

marcooleo said:
So if i unroot the phone first, and then access recovery mode and choose that option, will it be the same as factory reset and i can use warranty of the phone if needed?
Click to expand...
Click to collapse
If you unroot the phone you will lose recovery.
If you want to unroot the easiest way is just to flash a stock FTF using flashtool.
And rooting does not void the warranty, only unlocking the bootloader does that

gregbradley said:
If you unroot the phone you will lose recovery.
If you want to unroot the easiest way is just to flash a stock FTF using flashtool.
And rooting does not void the warranty, only unlocking the bootloader does that
Click to expand...
Click to collapse
Aha ok i understand, thank you for this helpful response. Big thanks!

gregbradley said:
If you unroot the phone you will lose recovery.
If you want to unroot the easiest way is just to flash a stock FTF using flashtool.
And rooting does not void the warranty, only unlocking the bootloader does that
Click to expand...
Click to collapse
Now a couple of days i used the Newroot tool. I have installed some utilities with functions that requires root. Root Manager app says i have the Clockworkmod and most functions in that program does not work, and Titanium backup pro complains that my CVM- Superuser program can cause some functions to work improperly, and i should update my binaries to SuperSU for the program to work properly.
I installed SuperSU and in recoverymode i got the question if i wanted to "install the untrusted SuperSU Zip and this can not be undone". I chose no because i was not sure what could happen so i reboot the phone and after that i was not rooted anymore, i checked with root checker and my programs that requires root did not function. So i rooted the phone again with Newroot and i got root again and all problems were gone, root access was granted to all programs that required root, except for root manager...
So i googled about Clockworkmod and that mod is rarely used for the Z1-model, most used for Samsung and HTC.
So i wonder if i backup all my data via PC-Companion, can i choose "repair the phone" and it will turn back the phone to it´s original state?
Or do i have to flash the phone myself with a stock rom? I have search for my stock rom everywhere and i cannot find it. But with PC-Companion is it possible to return the phone to it´s original state?

Force a repair with pccompanion to return your phone to factory state
Sent from my C6903 using XDA Premium 4 mobile app

gregbradley said:
Force a repair with pccompanion to return your phone to factory state
Sent from my C6903 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Successfully returned it to factory state. Pressed *#*#7378423#*#* and checked, and everything is exactly as it was when i was rooted, so i assume the Newroot prog did nothing to my phone except for rooting it and installed recovery?
Anyway, maybe i will root my phone again now when i know it is possible to turn it back to stock to get the benefits from root.
Huge thanks gregbradley you made my day! :good: :victory:

No worries.
Yes the newroot process only roots the phone, it does nothing to the bootloader

gregbradley said:
No worries.
Yes the newroot process only roots the phone, it does nothing to the bootloader
Click to expand...
Click to collapse
I guess there will not pass many days before i root the phone again...

Root i wanr root

i have been trying find a way to root the (6903) locked bootloader on 14.3.A.0757. iave found many ways all are very confusing and even tried http://forum.xda-developers.com/showthread.php?t=2784900 but i cant find the towel root apk
all i need to do is root and install the 120fps camera and 4k vedio recording without unlocking the boot loader can any please tell me a safe method of rooting clearly

dharisd2 said:
i have been trying find a way to root the (6903) locked bootloader on 14.3.A.0757. iave found many ways all are very confusing and even tried http://forum.xda-developers.com/showthread.php?t=2784900 but i cant find the towel root apk
all i need to do is root and install the 120fps camera and 4k vedio recording without unlocking the boot loader can any please tell me a safe method of rooting clearly
Click to expand...
Click to collapse
http://forum.xda-developers.com/xperia-z1/development/newroot-z1-t2807092
so ez only 2-3 clicks

hxq88 said:
http://forum.xda-developers.com/xperia-z1/development/newroot-z1-t2807092
so ez only 2-3 clicks
Click to expand...
Click to collapse
but will it work with 757

dharisd2 said:
but will it work with 757
Click to expand...
Click to collapse
it works on 757 and 108.

Or just follow my signature
Update and root using newroot. Its so easy on the latest firmware

check this out
http://forum.xda-developers.com/showthread.php?t=2828871
my guide of rooting Z1 .108～
1. update to latest version of firmware（.108）.
2.download NewRoot toolkit by Munjeni.（search on xda）
3.no need backup .
4.install full adb driver
5.extract the zip u downloaded from munjeni thread，and run the toolkit program click proces
and wait .
6.viola u got root on your z1 now
7.install dual recovery by NUT
do not forget to click thanks button
Sent from my C6903 Xperia Z1 using Tapatalk

gregbradley said:
Or just follow my signature
Update and root using newroot. Its so easy on the latest firmware
Click to expand...
Click to collapse
Hi @gregbradly
I used newroot and worked like a charm.it also installed cwm recovery. But if i choose to unroot now using the same newroot tool, will i go back to stock recovery??
Sent from my C6902

sruba209 said:
Hi @gregbradly
I used newroot and worked like a charm.it also installed cwm recovery. But if i choose to unroot now using the same newroot tool, will i go back to stock recovery??
Sent from my C6902
Click to expand...
Click to collapse
There is no stock recovery on xperia phones

Only time it has recovery when you do an system update, after system update is done it gets erased as it has no use
Sent from Xperia Z1 - Customized Rooted by a smartarse 13 Year old - Hehe

gregbradley said:
There is no stock recovery on xperia phones
Click to expand...
Click to collapse
So will the cwm recovery be removed??
Sent from my C6902

sruba209 said:
So will the cwm recovery be removed??
Sent from my C6902
Click to expand...
Click to collapse
If the newroot tool deletes the cmw recovery then yes it will
But if you unroot you will not be able to access recovery even if the recovery is still on your system partition because you do not have root ....

How to root sony xperia zr c5502

HI im using sony xperia zr c5502, i started this thread cause i cant find anything usefull. im running on latest 4.4.4 .283 version india.
and i did excatly i read on same post someone said flash .230 kernal i did this, then root with towel root, i did and was successfully, then again flash .283 kernal. and it made a superuser app as system app on my phone but it mdoes nothing no rooted acces app ask for its permission and either its not updating im getting error like downloading manifest : fail.
i tried updater fixer from play store still not work and how to flash su zip file for this device , i cant use any recovery software to flash zip cause any ap dont give me permission to flash cause im not rooted yet.
plz help fast.

gaggi786 said:
HI im using sony xperia zr c5502, i started this thread cause i cant find anything usefull. im running on latest 4.4.4 .283 version india.
and i did excatly i read on same post someone said flash .230 kernal i did this, then root with towel root, i did and was successfully, then again flash .283 kernal. and it made a superuser app as system app on my phone but it mdoes nothing no rooted acces app ask for its permission and either its not updating im getting error like downloading manifest : fail.
i tried updater fixer from play store still not work and how to flash su zip file for this device , i cant use any recovery software to flash zip cause any ap dont give me permission to flash cause im not rooted yet.
plz help fast.
Click to expand...
Click to collapse
You couldn't find anything helpful in forums? weird
Use Easy root toolkit or gifroot ( its new and I have not tested it ) . Also, you need to download latest SuperSU from chainfire site and put it on sd card
Flash 230 kernel using flashtool
Root using above mentioned methods.
Install recovery. example, NUT's dual recovery latest 2.8.2. You need to download installer zip and not the flashable zip.
After installing the recovery, check the phone reboots into philz touch recovery.
Chose to install zip and select SuperSU 2.XX zip file. Flash the zip
Reboot the phone and check root access.
Flash 283 kernel using flashtool

easy tool rootkit?
I tried this too but im stuck on deamom started successfully. I tried reinstall and instakl abd fastboot driver. And i cant use any recovery tool it ask for root.

touch recovery
And how to boot into touch recovery. As im using easy root toolkit on. 283 kernal should i have to flask. 230 kernal then easy root toolkit will work? I mean are u sure it wontbstuck on deamon started successfully.? Btw i already habe superuser as my system app i cant uninstall it, but it not updating or giving any app access.
And one more thing my wifi dontbturn on when i flash. 230 kernal ftf file.

gaggi786 said:
And how to boot into touch recovery. As im using easy root toolkit on. 283 kernal should i have to flask. 230 kernal then easy root toolkit will work? I mean are u sure it wontbstuck on deamon started successfully.? Btw i already habe superuser as my system app i cant uninstall it, but it not updating or giving any app access.
And one more thing my wifi dontbturn on when i flash. 230 kernal ftf file.
Click to expand...
Click to collapse
Just follow the steps I mentioned.
You can not directly root 283. You will have to flash 230 kernel.
Then Root > Install recovery > at the end of installation of recovery phone will automatically boot into recovery mode.
Then flash latest SuperSU 2.40 zip from recovery menu.
after that check root access with root checker app. Then flash the 283 kernel

kernel device not supported
K after flash I try to root but it say ur kernel device not supported. Also my wifi not work when I flash. 230 so how to I install recovery.
And when I use one click root toolkit it stuck on season started successfully, and on giefroot deacon started but after few process it say kernel devices not supported.

gaggi786 said:
K after flash I try to root but it say ur kernel device not supported. Also my wifi not work when I flash. 230 so how to I install recovery.
And when I use one click root toolkit it stuck on season started successfully, and on giefroot deacon started but after few process it say kernel devices not supported.
Click to expand...
Click to collapse
May be you are doing something wrong because I have mentioned the steps which I used multiple times.
Check USB debugging is enabled in settings > developer options. and Unknown Sources enabled in settings >security
when easy root tool is started, you will see a prompt on phone. keep eye on that because disappears quickly.

thanx i rooted
Bro, thanx a lot i rooted my phone now, mistake was one click root toolkit or geofroot not work. After flash i root with towelroot and then update super su i didnt do any recovery reboot. Just grant access in flashtool.
Again thanx.

[Q] Help needed: new Z1 owner, cannot figure out how to get rooted .283

Hey guys,
After hours and hours of searching forums and trying things, I decided I need help.
I just bought a Z1 (yes, they're still for sale) and I wanted to update the firmware to the newest .283 lollipop. Also, I want to root my device.
I have rooted Android phones before, and I have some experience flashing Custom ROMs etc.
As I have understood I have to downgrade to a 4.4 ROM first, to get root. Then my plan was to install recovery and install .283 Pre-rooted ZIP in Recovery.
So here's what I did:
-Flash 14.1.G.1.534 firmware
-Root using KingoROOT
-try to install recovery
-boot into recovery
-install pre-rooted .283 Lollipop ZIP
-phone won't boot anymore.
I am still able to flash the newest .283 with the FTF file, but then obviously it's unrooted. I also cannot figure out how to flash recovery after flashing .283 FTF. (Flashing recovery seems to work, but I cannot enter recovery via adb or otherwise)
So if anyone can tell me what I am missing, please do!

for what i know the ftf files can't be prerooted. so download a prerooted zip file and install it from a recovery. btw if u're gonna try any custom rom, don't forget to backup your drm before unlocking bootloader. That's a must for xperia devices

Thanks. However, I can't get Recovery to work after flashing Lollipop firmware. And when I downgrade and then flash the ZIP from recovery, the phone won't boot.

I succeeded! The steps that led me to this result:
-flash KK 14.4.A.0.108 in Flashtool
-Root the firmware using Flashtool/SuperSU method
-flash Recovery using Dual Recovery (http://forum.xda-developers.com/showthread.php?t=2647487)
-Flash the Pre-Rooted ZIP in Recovery
-Success!!

did you tried any custom rom??

try root master or frama root or root king
....think it will help u....:thumbup:
Sent from my Lenovo A5000 using XDA Free mobile app

wladkolc said:
did you tried any custom rom??
Click to expand...
Click to collapse
mfmohamedbilal said:
try root master or frama root or root king
....think it will help u....[emoji106]
Sent from my Lenovo A5000 using XDA Free mobile app
Click to expand...
Click to collapse
Did you read he latest post? He already root his device

oh....i didnt red ...
Sent from my Lenovo A5000 using XDA Free mobile app

not working
mfmohamedbilal said:
oh....i didnt red ...
Sent from my Lenovo A5000 using XDA Free mobile app
Click to expand...
Click to collapse
yes..but i have problem after flashing any custom rom...after restart see only black screen..
now tried to flash custom rom with stock kernel, and locked bootloader config, after reboot i see sony logo and i am in reboot loop.
i have relocked bootloader, try to lock and then unlock with official sony guide.