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[Q] Bootloop after failed rom install

So i was switching from M.O.A.R. and trying to install Allience on my SM-G900P, I backed MOAR in TWRP, did factory reset, wiped cache and dalvik, then tried to flash Allience, it failed, then when i reboot, it is back to stock loading screen, which afdter a few seconds it reboots and does it all over again. I can restore boot and recovery, but it fails toward the end of restoring system 'after 'formatting system using make_ext4fs function' it says restore complete, but then it also says 'failed' in red right below that.
Also on boot it says ;'kernal is not SEANDROID enforcing' and 'set warranty bit: kernal'
I can access both downloader and twrp, just dont know what to do from here...
Thanks

Ki11ian said:
So i was switching from M.O.A.R. and trying to install Allience on my SM-G900P, I backed MOAR in TWRP, did factory reset, wiped cache and dalvik, then tried to flash Allience, it failed, then when i reboot, it is back to stock loading screen, which afdter a few seconds it reboots and does it all over again. I can restore boot and recovery, but it fails toward the end of restoring system 'after 'formatting system using make_ext4fs function' it says restore complete, but then it also says 'failed' in red right below that.
Also on boot it says ;'kernal is not SEANDROID enforcing' and 'set warranty bit: kernal'
I can access both downloader and twrp, just dont know what to do from here...
Thanks
Click to expand...
Click to collapse
Well crap, i just needed to mount my internal storage instead of sd card. I then allowed me to flash MOAR back on. Does anyone know of a more feature filled rom for the P Varient then what I am using? I really liked the features of phoenix and allience, but mine is not supported...

Ki11ian said:
So i was switching from M.O.A.R. and trying to install Allience on my SM-G900P, I backed MOAR in TWRP, did factory reset, wiped cache and dalvik, then tried to flash Allience, it failed, then when i reboot, it is back to stock loading screen, which afdter a few seconds it reboots and does it all over again. I can restore boot and recovery, but it fails toward the end of restoring system 'after 'formatting system using make_ext4fs function' it says restore complete, but then it also says 'failed' in red right below that.
Also on boot it says ;'kernal is not SEANDROID enforcing' and 'set warranty bit: kernal'
I can access both downloader and twrp, just dont know what to do from here...
Thanks
Click to expand...
Click to collapse
First of all, you have to flash Alliance over the Rom Customizer (Goldie clearly describes in the instruction).
Well, knox 0x1... tripped by custom kernel probably from Alliance...no return, you have to live with it. TWRP trips as well.
Personally, I like CMW more.
I guess, you can enter to TWRP/CMW...
Have you been trying to reflash the box with another kernel, compatible with your model (I don't know the 900P version, I work with F)?
Full wipe etc.
One time, I was facing the problem (I'm not sure, if it was CMW/TWRP) with the wrong version of it.
I had change the stuff to another one, then I was able to flash the ROM properly. The download mode helps...

You should have reverted to a stock ROM before moving to a different custom ROM. Transitioning between custom ROMs can have unexpected results as you found out.
I agree with the poster above in that it sounds like you missed some steps in installing the Alliance ROM as well. Although I strongly prefer TWRP over CWM. The Phoenix ROM says up front that it is configured for the 900F. But reports are that everything works on the 900P except perhaps data and the stock SMS app. You could probably resolve the data issue if you put your mind to it.
.
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Isn`t it for flashing a rom enough if you :
- data factory reset
- wipe cache and dalvik cache
- format system
- flash the rom
- data factory reset
- reboot.
Just saying, haven`t flashed a custom rom yet on the S5 so not 100% sure.

Would reflashing the stock firmware via odin wipe data?

Im planning to reflash my phone back to stock as a few things are messed up, will be flashing via odin the base firmware is UEND6 and will reflash the same firmware so that I can still root w/o tripping knox, would reflashing via Odin clear user data?

i guess not
EarlZ said:
Im planning to reflash my phone back to stock as a few things are messed up, will be flashing via odin the base firmware is UEND6 and will reflash the same firmware so that I can still root w/o tripping knox, would reflashing via Odin clear user data?
Click to expand...
Click to collapse
I guess just flashing the firmware won't wipe the data.

I flashed stock over a CM install and forgot to wipe data. My stuff was still there but the install was definitely a little bit unstable with background apps crashing. It didn't wipe data, but the phone needed a data wipe afterwards to be usable...

AO7 said:
I flashed stock over a CM install and forgot to wipe data. My stuff was still there but the install was definitely a little bit unstable with background apps crashing. It didn't wipe data, but the phone needed a data wipe afterwards to be usable...
Click to expand...
Click to collapse
I kinda need to get my data back before wiping, I installed 3 new xposed modules and I am not 100% sure which of the 3 is causing the issue, Im stuck at the Samsung logo.
EDIT:
Im wondering if factory reset would delete camera photos stored on the internal memory, if not I have most of my impt stuff backed up online.

EarlZ said:
I kinda need to get my data back before wiping, I installed 3 new xposed modules and I am not 100% sure which of the 3 is causing the issue, Im stuck at the Samsung logo.
Click to expand...
Click to collapse
Install TWRP recovery (will trip knox) and make a TWRP backup of the entire phone including data partition. Once inside TWRP recovery you can also mount /data and adb pull whatever data you need from it, including the backup. Not sure what to do if you need to access embedded app data that you can not pull through adb.
When I flashed stock without wiping data my files were still there though.

AO7 said:
Install TWRP recovery (will trip knox) and make a TWRP backup of the entire phone including data partition. Once inside TWRP recovery you can also mount /data and adb pull whatever data you need from it, including the backup. Not sure what to do if you need to access embedded app data that you can not pull through adb.
When I flashed stock without wiping data my files were still there though.
Click to expand...
Click to collapse
My data is not that important to trip knox

EarlZ said:
My data is not that important to trip knox
Click to expand...
Click to collapse
In that case I would just flash stock and see what happens,

AO7 said:
In that case I would just flash stock and see what happens,
Click to expand...
Click to collapse
Still waiting for the download to complete. Samfirmware is only giving me 300kb/s and I dont know where else to get stock firmwares.

To close this issue with a resolved status, I would like to say one thing.
If you flash a leaked firmware - it will wipe your phone.
If you flash a stock firmware - it will NOT wipe your phone.
Factory reset will not wipe your internal SD.
Installing TWRP or anything unofficial will trip your KNOX. If your data is worth losing warranty - go for it

I was with a UEND6 firmware and just gonna flash the same to get my data back and factory reset the phone.
EDIT:
Got my data, everything seems to be perfectly working aside from the task manger, Gonna factory reset the phone and probably reflash with odin to have a clean start, would ticking repartition be necessary for a fresh install ? ( but I remember that required a PIT file )

Fix freeze , lags etc.

Hello people my phone getting old i think 1.5 year so far my phone started to freeze having lags getting too hot while browsing. And bootloops started without flashing anything. First bootloop happened 2 weeks ago. Today happened again twice i wiped dalvik cache and everything is fine how can i fix it? I thought rom cause it i flashed stock firmware rooted it and removed bloatware. Still happens lags,freeze,getting too hot and bootloop. Is it lollipop update? I never had this issues with kitkat. How can fix this and keep my alive?

Orangley said:
Hello people my phone getting old i think 1.5 year so far my phone started to freeze having lags getting too hot while browsing. And bootloops started without flashing anything. First bootloop happened 2 weeks ago. Today happened again twice i wiped dalvik cache and everything is fine how can i fix it? I thought rom cause it i flashed stock firmware rooted it and removed bloatware. Still happens lags,freeze,getting too hot and bootloop. Is it lollipop update? I never had this issues with kitkat. How can fix this and keep my alive?
Click to expand...
Click to collapse
Try a full factory reset. Be careful as this will wipe your internal storage.

GDReaper said:
Try a full factory reset. Be careful as this will wipe your internal storage.
Click to expand...
Click to collapse
Thank you for your answer but I did it after flash stock rom via odin. Wiped data / factory reset , cache partition , mounted cache , system , data , wiped dalvik cache..

Wiping data does not equal a factory reset. Wiping data does just that, wipes user installed apps. But generally leaves the internal storage alone.
A factory reset returns the phone to the settings it came out of the factory with, including a clean internal storage(If you have the stock rom). I heard that changing roms and just wiping data, dalvik and cache will still leave behind some files.
But it could also be untrue.

GDReaper said:
Wiping data does not equal a factory reset. Wiping data does just that, wipes user installed apps. But generally leaves the internal storage alone.
A factory reset returns the phone to the settings it came out of the factory with, including a clean internal storage(If you have the stock rom). I heard that changing roms and just wiping data, dalvik and cache will still leave behind some files.
But it could also be untrue.
Click to expand...
Click to collapse
Flashing stock rom is same with factory reset i think clears everything.

I don't know. Haven't flashed stock on this device yet.
But don't most guys recommend doing a wipe before going back to stock?

I dont know i'll try that when i have free time. I did research some guys saying lollipop causing these problems. I'll try wipe before flash stock rom again , if issues keep happen i'll use lates 4.4.2 custom rom. Thank you for your answers i'll report back.

Real reset
This method will wipe everything, including operating system and efs files. Before you do this:
you must root
Download twrp recovery
Install the recovery using the app from the play store
Boot into recovery mode and have twrp backup everything
save your backup to an SD card and the computer (can't hurt to have two backups)
Doing the above will preserve your phone important data like your imei and efs
in case something goes wrong.
NOW
after you have backed everything up use twrp recovery to wipe data. Have twrp wipe everything except for your SD card (don't won't to lose the backup)
After everything has been obliterated have twrp boot you into download mode.
Download Odin from XDA preferably 3.09 (most stable release) and then grab an official stock firmware from a trusted source. The latest stock firmware should be at least 4.4.2
If you have carriers other than t-mobile you will also need to find a PIT file for partitioning.
When you have all of this open up Odin with your phone connected in download mode and make sure repartitioning, clear efs and nand-erase is checked along with the defaults.
Select pda button and choose your firmware (unzipped tar.md5 format.) Then select repartitioning PIT file button and direct to where you have the PIT file downloaded.
now click start (be sure that the Com port is recognized by Odin: will be highlighted in blue or yellow.)
This will take a while depending on your computer.
when it finishes your phone should reboot with a fresh os and filesystem. If you get stuck in a bootloop reboot into recovery mode and do a wipe data and wipe cache. Reboot and your phone should be good as new.
IMPORTANT!!! It is vital you keep your TWRP backups for as long as you have your phone if you lose them and something goes wrong while flashing your phone you will lose important things such as IMEI baseband which will prevent you from connecting to your network and Sim card recognition.

Thank you so much i'll try this now.

AndroidInitiate said:
This method will wipe everything, including operating system and efs files. Before you do this:
you must root
Download twrp recovery
Install the recovery using the app from the play store
Boot into recovery mode and have twrp backup everything
save your backup to an SD card and the computer (can't hurt to have two backups)
Doing the above will preserve your phone important data like your imei and efs
in case something goes wrong.
NOW
after you have backed everything up use twrp recovery to wipe data. Have twrp wipe everything except for your SD card (don't won't to lose the backup)
After everything has been obliterated have twrp boot you into download mode.
Download Odin from XDA preferably 3.09 (most stable release) and then grab an official stock firmware from a trusted source. The latest stock firmware should be at least 4.4.2
If you have carriers other than t-mobile you will also need to find a PIT file for partitioning.
When you have all of this open up Odin with your phone connected in download mode and make sure repartitioning, clear efs and nand-erase is checked along with the defaults.
Select pda button and choose your firmware (unzipped tar.md5 format.) Then select repartitioning PIT file button and direct to where you have it downloaded.
now click start (be sure that the Com port is recognized by Odin: will be highlighted in blue or yellow.)
This will take a while depending on your computer.
when it finishes your phone should reboot with a fresh os and filesystem. If you get stuck in a bootloop reboot into recovery mode and do a wipe data and wipe cache. Reboot and your phone should be good as new.
IMPORTANT!!! It is vital you keep your TWRP backups for as long as you have your phone if you lose them and something goes wrong while flashing your phone you will lose important things such as IMEI baseband which will prevent you from connecting to your network and Sim card recognition.
Click to expand...
Click to collapse
Odin freeze everytime i put twrp tar.md5 file cant i use philz touch which i use for long time?

Orangley said:
Odin freeze everytime i put twrp tar.md5 file cant i use philz touch which i use for long time?
Click to expand...
Click to collapse
Is that another custom recovery?
If so then yes just make sure you have all of your system files and most importantly your efs backed up.
Run odin as administrator if that doesnt work, try using another version of Odin.

AndroidInitiate said:
Is that another custom recovery?
If so then yes just make sure you have all of your system files and most importantly your efs backed up.
Run odin as administrator if that doesnt work, try using another version of Odin.
Click to expand...
Click to collapse
Doesnt work another versions both twrp and odin. I'll keep my custom recovery and try it.

Orangley said:
Doesnt work another versions both twrp and odin. I'll keep my custom recovery and try it.
Click to expand...
Click to collapse
What carrier are you using, model number of the phone, etc.
Have you backed everything up? And can you flash the custom recovery through Odin if it fails?
Try it without wiping efs first just to be safe
Look here for your device you will be able to find standalone flash able versions of twrp that should work through odin.
http://twrp.me/Devices/

Using i9500. And i did what you said and works fine thank you! Mods close thread please.

Untouched Yureka stuck at boot screen

I have a Yureka phone that is stuck at boot screen. Haven't done anything to it, it's with stock rom, unrooted and locked!
Fastboot and stock recovery are working.
Now I don't want to loose my data in internal memory photos etc! by unlocking and installing custom recovery to install stock rom again or do a factory reset!
Is there a way?

marauder614 said:
I have a Yureka phone that is stuck at boot screen. Haven't done anything to it, it's with stock rom, unrooted and locked!
Fastboot and stock recovery are working.
Now I don't want to loose my data in internal memory photos etc! by unlocking and installing custom recovery to install stock rom again or do a factory reset!
Is there a way?
Click to expand...
Click to collapse
boot into recovery and wipe the cache ....

JoeldeJo said:
boot into recovery and wipe the cache ....
Click to expand...
Click to collapse
if it didnt fix download aroma file manager fix .zip and copy it into sd card
boot into bootloader
flash a custom recovery
then choose install
choose the aroma zip
then copy your required files into sd card
then factory reset
guess that will work

Encryption that can't be formated

Hi,
I set up TWRP 2.8.7.0 and cm-13.0-20160129 on my Samsung Galaxy S4 LTE-A (GT-I9506), and run into an odd problem where it would work after install, but would not work after a reboot (booting screen would just roll for ever). Installing CM again, would work, and than the problem would still be there. Mindlessly I decided to play a little anyway and set up encryption. The phone ended up rebooting, and not loading, so I'm here without a password (default_password doesent work) and with an encrypted /data that TWRP cant wipe or format
Unable to mount storage.
Unable to decrypt data
Unable to wipe '/data' -- unknown file system 'auto'
Unable to format to remove encryption
Click to expand...
Click to collapse
I've attempted to use ADB to format it, but it seems parted isnt installed. With that phone being a less popular variant I'm kind of afraid to just flash whatever there, but I guess I need a recovery with a least parted, or possibly one that would be able to format the drive itself. Any pointers?

Have you tried flashing a stock ROM via Odin? Is this your phone: http://www.sammobile.com/firmwares/database/GT-I9506/ ?

not yet; I don't have windows, and didn't see any point in changing the soft used for flashing, will try but cant download the polish rom at the moment o0 (ends up with a dead link or a server down?)

I know of no other way to flash a stock ROM from sammobile.com other than Odin.
Did you create a free account on sammobile.com to enable the regular download?

harce said:
not yet; I don't have windows, and didn't see any point in changing the soft used for flashing, will try but cant download the polish rom at the moment o0 (ends up with a dead link or a server down?)
Click to expand...
Click to collapse
You can also flash it with Heimdall. It's the open source variant of Odin.

aaaand I'm back, managed to download, got some windows, flashed to stock using odin, and it's still encrypted. is running 'repartition' from odin safe? I've noticed some warnings against it but without any explanations.
edit; running the same operation with repartition failed. this bloody encryption might be able to survive nuclear war.

After flashing back to stock via Odin, did you perform a factory wipe before booting the rom for the first time?
I assume you have a pit file for the phone since you repartitioned?

audit13 said:
After flashing back to stock via Odin, did you perform a factory wipe before booting the rom for the first time?
Click to expand...
Click to collapse
just now, seamed to go thorough properly (no error messages) and worked!
audit13 said:
I assume you have a pit file for the phone since you repartitioned?
Click to expand...
Click to collapse
never managed to do that. I wonder what advantage does the wipe from factory ROM have over custom recoveries... anyways thanks to all who helped, the issue is solved. also it seems that the problems with non-rebooting CM were my mistake of not wiping the cache/dalvik after install

I find that a wipe using a custom recovery is not always as through as a stock recovery. Can't say how or why, it's just based on my experience with Samsung and Nexus phones.

harce said:
just now, seamed to go thorough properly (no error messages) and worked!
never managed to do that. I wonder what advantage does the wipe from factory ROM have over custom recoveries... anyways thanks to all who helped, the issue is solved. also it seems that the problems with non-rebooting CM were my mistake of not wiping the cache/dalvik after install
Click to expand...
Click to collapse
audit13 said:
I find that a wipe using a custom recovery is not always as through as a stock recovery. Can't say how or why, it's just based on my experience with Samsung and Nexus phones.
Click to expand...
Click to collapse
I think the difference is that a custom recovery only wipes /data partition so that the internal sdcard will not be wiped. The stock recovery formats /data partition. When you want to lose encryption you need to format /data partition.
You can also format the /data partition with a custom recovery, but that option is hidden for good reason. Because it will also format your internal sdcard and that's not something we want to do when changing roms.