Hi, So today i decided i wanted to go back to stock rom because i had a custom rom and custom kernel.
I factory reset my Nexus 4 and now it's stuck at the Google Boot screen. I also have a custom recovery (TWRP). I've tried wiping data (cache,dalvik cache) didn't work. I've looked everywhere but couldn't find a solution for this. Please help. Thanks in advance.
PS. Custom rom i was using was Paranoid Android 9.8
Custom kernel was Franco Nightly.
a factory reset doesnt replace your rom/kernel, it just wipes your user data. you have to flash the factory img via fastboot to go back to stock. anyways, i have a feeling that you made an error in twrp recovery, instead of factory resetting/wipe data, i bet you wiped your whole device, which clears your device of any rom/kernel. so youd have to flash a rom(transfer from your desktop via adb push or flash the factory img).
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Factory Resets do not remove encryption with TWRP recovery. It will reset the phone like normal, but the encryption will still remain.
I am looking to try and remove encryption entirely so I can install 4.4 and CWM Recovery. I've heard you have to flash to stock but I don't know what packages, where to get them, and which way I should flash them. Any help is appreciated.
ThomasBags said:
Factory Resets do not remove encryption with TWRP recovery. It will reset the phone like normal, but the encryption will still remain.
I am looking to try and remove encryption entirely so I can install 4.4 and CWM Recovery. I've heard you have to flash to stock but I don't know what packages, where to get them, and which way I should flash them. Any help is appreciated.
Click to expand...
Click to collapse
You need to use the FORMAT DATA option, which will wipe the entire device, if you still get asked for password after that, flash factory image.
Flash the stock recovery....
ThomasBags said:
Factory Resets do not remove encryption with TWRP recovery. It will reset the phone like normal, but the encryption will still remain.
I am looking to try and remove encryption entirely so I can install 4.4 and CWM Recovery. I've heard you have to flash to stock but I don't know what packages, where to get them, and which way I should flash them. Any help is appreciated.
Click to expand...
Click to collapse
I had an Encrypted HTC One that I installed TWRP Recovery. TWRP could not decrypt the phone and the phone would not factory reset. Fixed by using Fastboot to flash the stock recovery and then was able to factory reset my phone.
Fastboot flash recovery recovery.img
Got the Sprint stock recovery image from viperboy (I'm too new to post links) the file name is: Sprint_One_stock_recovery.img
Search XDA with this file name you you will find it.
Too late for you I'm sure but maybe it will help some others.
So i downloaded TWRP 2.8.2.0 on my Nexus 7 4.3.3, i was rooted and everything. Then wiped my system in recovery.
After that i went to Advanced wipe and changed all the partitions to f2sf except internal storage, i was then going to flash my Slimkat rom, but then i couldnt access any folder! Tried a reboot but now it wont start... Can acces fastboot and so, but what do i do??
EDIT: So now i wiped them back to ext4, but when i pressed reboot twrp sais i had no OS installed? What to do?
Thanks for any help
You can still go back to the bootloader I assume so when you're on it connect your Nexus to your computer and run the Nexus Toolkit to flash Google Factory Image. Then you'll have to do the same steps as before, reflash a recovery, root and then flash the rom you want to use.
Hello,
actually I'm using a SGS4 I9505 with cm-12-20150304-NIGHTLY-jfltexx and CWM 6.0.5.1.
I've tried to flash several TW Lollipop firmware wich i found in the I9505 forum:
1. Kushan+Touchwiz+Lollipop+Lite+Rom+v.1.2
2. S4_Echoev42_EchoePop2_020315
3. OA7-2.1F
4. XXUHA07-v2.01
Before flashing any oft this firmwares i made a factory reset, wiped both caches and installed the modem Firmware via Odin.
After flashing firmware # 1 and 2 my phone was stuc in a bootloop (only Samsung Galaxy S4 Logo appears).
Flashing firmware #3 and 4 fails and cwm reports error 7.
Flashing cm12 afterwards isn't a problem and runs fine.
I think the wipe fails or doesn't work properly. Is it enougth to select factory reset in cwm and wipe the dalvik cache manualy?
What can I do?
With besteht regard
Mirko (NemesisMF)
What if it is a recovery problem?
Thought about that too.
Should i try twrp or philz?
I switched to Philz Recovery and flashed S4 Echoe Rom v42 without any Problems.
CWM seems to have a problem to falsh TW Lollipop images ower an existing CM12 an the I9505.
You need to do full wipe not just cache.
ranger4740 said:
You need to do full wipe not just cache.
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Click to collapse
As I wrote above I did a factory reset before flashing and wiped the caches with cwm. If that is not enougth it would be nice to explain what else I have to wipe or post a link.
While using philz recovery the factory reset for clean system is enougth and the new System is working fine.
Factory wipe is not full wipe, you need to do a full wipe as in format to install new rom, phillz recovery has this feature can't remember exactly where, I think its under advanced.
Just have a look in the sub menus.
Just to explain it better when you do a full wipe it deletes every part of the existing
Rom including the system, data and cache and some other stuff completely removing the android operating system, so unless the rom you install does a wipe before install parts of the existing system will remain and can cause boot issues. For example as you've already discovered you are trying to install a tw rom over an existing cyanogenmod 12 installation which Will cause it to hang on boot.
NemesisMF said:
As I wrote above I did a factory reset before flashing and wiped the caches with cwm. If that is not enougth it would be nice to explain what else I have to wipe or post a link.
While using philz recovery the factory reset for clean system is enougth and the new System is working fine.
Click to expand...
Click to collapse
Do you mean a factory reset from within Android itself? If so, then that's a complete obsolete step. When before flashing a rom you should perform a factory reset, then they always mean a full wipe from the recovery. You need to do a full wipe from the recovery. That means the /system partition is being wiped. You will see it in the screen during the wipe if it wipes /system.
But it also could have been a problem of CWM. I don't think it is being updated anymore, so better use TWRP or Philz.
I've upgraded to 5.02, so now if I do a factory reset, will the phone load the kitkat it came with or lollipop?
Lollipop.
Thanks
in reply to factory reset
when you flash a custom recovery the phone deletes the old recovery and applies the new one, the only way to change that is to reflash the recovery with another rom or the stock rom
I can still boot into twrp but can't get OOS to run. It's asking for a factory reset but don't I have to be in OOS to do that?
You need to flash stock firmware and wipe via stock recovery, backup userdata first
I figured it out, thanks.