custom rom flashing problemes - Moto G Q&A, Help & Troubleshooting

am on gpe lollipop 5.0.1 rooted and i can t flash cm 12 or any other rom i keep getting unable to mount system Error in both twrp and cwm both in leatest version and even after flashing kitkat back i still getting same errors and i tried sideload too and it said unable to mount no such volume please help guys

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Cant update Android..

I have a rooted Moto G phone. It is android 4.3 , I cant update it to 4.4.2 Kitkat for some reason.
I saved Kitkat to the SD Card, loaded into Recovery mode on the MOTO, then tried to install Android 4.4.2 from the .zip file
saved on the SD card in my phone.
I cant get this to work and i tried to install CARBON ROM the same way with out any results.. it says ERROR and fails to install.
Any help would be greatly appreciated.
ALSO does android need to be updated to 4.4.2 to install CARBON ROM?
Thanks
I don't know but maybe can help...
I could update successfully to last minor 176.44.1 update only after flashing stock recovery.img from my exact stock ROM.
after rooting process on KitKat motoG my recovery was modified, restoring the stock one worked for me. I just updated ota normally in WiFi without problems.
after that I flashed cwm recovery.
I restored to stock recovery and removed root. After that applied KitKat OTA, then flashed custom recovery and re-rooted.
Sent from my Moto G using Tapatalk
this involve wiping of all data and a factory reset, so first try just restoring the stock recovery.
If not working make a good backup first.
If the phone is rooted, OTA updates do not work afaik...
gymfreak81 said:
ALSO does android need to be updated to 4.4.2 to install CARBON ROM?
Thanks
Click to expand...
Click to collapse
Flashing a ROM overwrites system partition completely. You could have android version 1 running and still just flash another ROM

[Q] Error while flashing a CM based ROM after downgrading to KK from 5.0

So, I had Asia 5.0.2 and I saw a FIUI ROM for our device at the MIUI forums. I decided to give this a go and first downgraded to KK and then tried to flash the zip from TWRP and Philz recovery but got this error:
"Can't install this package on top of incompatible data. Please try another package or run a factory reset"
I thought it might be a ROM specific error, but I also tried to flash CM11 but got the same error. How can I get around this? Is this an issue with the updater script or something?
Any help will be appreciated.
prateektaneja said:
So, I had Asia 5.0.2 and I saw a FIUI ROM for our device at the MIUI forums. I decided to give this a go and first downgraded to KK and then tried to flash the zip from TWRP and Philz recovery but got this error:
"Can't install this package on top of incompatible data. Please try another package or run a factory reset"
I thought it might be a ROM specific error, but I also tried to flash CM11 but got the same error. How can I get around this? Is this an issue with the updater script or something?
Any help will be appreciated.
Click to expand...
Click to collapse
Did you do a factory reset from the recovery menu?

Soft Brick -> Stock Firmware -> TWRP -> Custom ROM -> Bootloop

Hey, so i formatted the boot partition by accident today and could not boot anymore.
I was on a 5.1.1 Custom ROM before that. So i googled a bit and found a fix by flashing the Stock Firmware. Downloaded a 4.4.4 Stock Firmware here (RETAIL-DE) and flashed it using the commands here (as described in 3b). The second command failed with "Preflash validation failed". I believe thats because i had bootloader version 4.1.19 already and its not possible to flash an older one over that.
After that i could boot the phone again into the Stock Android 4.4.4. So i wanted to go back to an Lollipop or Marshmallow ROM. Using fastboot i flashed the latest TWRP Recovery and used it to flash a Custom ROM. I've tried several ROMs but every ROM results in an bootloop. Also tried using TWRP 2.6.0.0 and 2.7.0.0, but it didnt change sth.
I hope someone can help me solving this issue. Thanks.
You should probably full-flash the latest original Motorola firmware (GPE 5.1 or stock 5.0.2) before putting TWRP and custom roms based on Android L or M.

Error 7 in TWRP everytime!

Hello guys for some reason i stocked my OPO to CM11S through that link:https://forum.xda-developers.com/oneplus-one/general/tool-oneplusrecovery-tool-v1-0-restore-t2991851 and it went succesfull. After that i just flashed official TWRP 3.0.2.0 and try to install custom ROM(tried lineage os 14.1 and tugapower N18)(both nougat) but i just cant install either. i just get updater process ended with error=7 message and nothing happens. Please help me.
UPDATE:Next time if you wat to go stock and flash Android N build after that, first flash cm13 via fastboot. Then you can flash every ROM you want with out a hitch.

Upgrading Honor 4C to Marshmallow

Hi Currently I am having Honor 4c with Kitkat 4.4.2 (V100R001C636B160) version I wanted to Upgrade my android version to Marshmallow(CHM-U01C432B560) or any other custom ROM. I have unlocked my device bootloader and installed CWM recovery following the guide https://forum.xda-developers.com/honor-4c/development/honor-4c-root-cwm-recovery-inshaalmirza-t3177770 was able to install CWM but I wanted to install TWRP and followed the guide by @HassanMirza01 but wasnt success to install TWRP , if I am trying to flash Marshmallow ROM using CWM or by flashing IMG files using ADB I am not able to do it. Every Time I try to flash a ROM from CWM I am getting error and while flashing IMG files using ADB the screen is being struck at boot logo.Can anyone guide me how to replace CWM with TWRP so that I can Install Marshmallow (every time while I am trying to flash TWRP it is being struck at boot logo and had to flash stock ROM to recover the phone) and install marshmallow.
Note: Initially I upgraded to Lollipop as the version was not stable and Buggy I reverted to stock version using the official guide.
miststudent2011 said:
Hi Currently I am having Honor 4c with Kitkat 4.4.2 (V100R001C636B160) version I wanted to Upgrade my android version to Marshmallow(CHM-U01C432B560) or any other custom ROM. I have unlocked my device bootloader and installed CWM recovery following the guide https://forum.xda-developers.com/honor-4c/development/honor-4c-root-cwm-recovery-inshaalmirza-t3177770 was able to install CWM but I wanted to install TWRP and followed the guide by @HassanMirza01 but wasnt success to install TWRP , if I am trying to flash Marshmallow ROM using CWM or by flashing IMG files using ADB I am not able to do it. Every Time I try to flash a ROM from CWM I am getting error and while flashing IMG files using ADB the screen is being struck at boot logo.Can anyone guide me how to replace CWM with TWRP so that I can Install Marshmallow (every time while I am trying to flash TWRP it is being struck at boot logo and had to flash stock ROM to recover the phone) and install marshmallow.
Note: Initially I upgraded to Lollipop as the version was not stable and Buggy I reverted to stock version using the official guide.
Click to expand...
Click to collapse
You can try this TWRP https://forum.xda-developers.com/honor-4c/development/recovery-twrp-3-0-0-0-huawei-honor-4c-t3349495 or some version of TWRP for honor 4x or p8lite. And then you can try to flash stock firmare using this tutorial https://forum.xda-developers.com/honor-4x/how-to/install-emui-4-1-4x-4c-g-play-g-play-t3515702. You might need to be in lollipop or marshmallow to use it.
Hi @keikari thanks for the reply, that is the case where I am facing the problem Neither I can install Twrp 3.0.1-0 (r1,2,3,4) variants nor lollipop or marshmallow update .I am struck with stock Rom tried more than 15 to 20 times . Can you provide any alternative solutions.
miststudent2011 said:
Hi @keikari thanks for the reply, that is the case where I am facing the problem Neither I can install Twrp 3.0.1-0 (r1,2,3,4) variants nor lollipop or marshmallow update .I am struck with stock Rom tried more than 15 to 20 times . Can you provide any alternative solutions.
Click to expand...
Click to collapse
What error did fastboot gave you when you tried to flash TWRP?
No error given but after flashing twrp device is struck at boot screen and can't move to next screen cwm flashing works fine .
Is it mandatory to have lollipop or marshmallow update to flash twrp?
miststudent2011 said:
No error given but after flashing twrp device is struck at boot screen and can't move to next screen cwm flashing works fine .
Is it mandatory to have lollipop or marshmallow update to flash twrp?
Click to expand...
Click to collapse
I don't know how things really work or why they need stuff to work. But in TWRP thread it says for android 5.1.1 - 6.0. So I guess it's important to have some of those versions.
Is there any other way to flash lollipop or marshmallow from cwm? I even extracted update.app and flashed recovery, system , boot images individually but it also doesn't work struck at boot screen. Can I fully wipe system files from phone and re-flash lollipop or marshmallow update. Similar to full format of a PC.
miststudent2011 said:
Is there any other way to flash lollipop or marshmallow from cwm? I even extracted update.app and flashed recovery, system , boot images individually but it also doesn't work struck at boot screen. Can I fully wipe system files from phone and re-flash lollipop or marshmallow update.
Click to expand...
Click to collapse
No idea will that work, but one thing that comes to mind is to flash those images you did and then put UPDATE.APP in your sd card in folder named dload and do force upgrade ( power + vol up + vol down ).
keikari said:
No idea will that work, but one thing that comes to mind is to flash those images you did and then put UPDATE.APP in your sd card in folder named dload and do force upgrade ( power + vol up + vol down ).
Click to expand...
Click to collapse
Tried that too but no success. I think the problem occurred while downgrading to kitkat from lollipop maybe it corrupted the boot system. Even that is the case while flashing and wiping cache so many times it might have showed error in any of the instances but it didn't. Can't find out what actually preventing system to update.

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