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[Q] Can't get out of default Recovery Mode

Could I get some help with a frozen stock recovery?
Just got my Charge yesterday and rooted it using chadness tutorial http://forum.xda-developers.com/showthread.php?t=1122657 via odin. Then flashed PBJT but couldn't r/w to sd card so I then flashed the sd card fix but it still didn't work. I decided to try flashing gummy charge ROM thinking that might fix the error but while in CWM recovery and flashing it got hung up on "Installing /.android-secure" for like 20 mins so I pulled the battery. I had done a nandroid backup prior to flashing the ROM so I returned to CWM in an effort to restore that previous state but it again hung at the same spot during restore.
I tried going all the way back to unrooted ED1 via odin and succeeded in flashing but when replacing the battery and rebooting it does a scan of "movi" [with yellow text] then gives me several options with blue text: "Reboot system now", "Wipe factory reset", "Wipe cache/partition" and so on. But when I hit reboot all it does is bring me back to that screen. I've tried several different .tar images flashing from odin but nothing else seems to change things.
Any help is appreciated, thanks.

uh oh. here it comes

wenzer said:
Could I get some help with a frozen stock recovery?
Just got my Charge yesterday and rooted it using chadness tutorial http://forum.xda-developers.com/showthread.php?t=1122657 via odin. Then flashed PBJT but couldn't r/w to sd card so I then flashed the sd card fix but it still didn't work. I decided to try flashing gummy charge ROM thinking that might fix the error but while in CWM recovery and flashing it got hung up on "Installing /.android-secure" for like 20 mins so I pulled the battery. I had done a nandroid backup prior to flashing the ROM so I returned to CWM in an effort to restore that previous state but it again hung at the same spot during restore.
I tried going all the way back to unrooted ED1 via odin and succeeded in flashing but when replacing the battery and rebooting it does a scan of "movi" [with yellow text] then gives me several options with blue text: "Reboot system now", "Wipe factory reset", "Wipe cache/partition" and so on. But when I hit reboot all it does is bring me back to that screen. I've tried several different .tar images flashing from odin but nothing else seems to change things.
Any help is appreciated, thanks.
Click to expand...
Click to collapse
Questions or Problems do not belong in the Development Forum you should know this
Moving to General

sgs4g BRICKED help!

Getting a E: failed to mount /data (invalid argument)
e:\format_volume: rfs format failed on /dev/block/stl10
on samsungs recovery screen. it boots up only in to here not OS
had OC'd my phone using method in bible and my phone froze and wouldnt boot. tried to just odin a new kj3 and this is where i started to notice the brick.
I also tried a method by krylon which he provided me PIT file and to odin with partition checked and didnt help.
I think my partitions are all wacked. Anybody have a fix for this?
In the vibrant forums there are fixes with the exact same issue but i cant find any on sgs4g forum. And I obviously dont want to flash vibrant files. Their fix requires a odin pit file with partition checked.
Thanks!!

I have had this happen to me. I all I did was reformatted and partioned the drive using pc. The program is called magic something. Do that then ordinary and you should be good as new.

It's not bricked if it still turns on.
Sent from my SGH-T959V using XDA App

droodski said:
Getting a E: failed to mount /data (invalid argument)
e:\format_volume: rfs format failed on /dev/block/stl10
on samsungs recovery screen. it boots up only in to here not OS
had OC'd my phone using method in bible and my phone froze and wouldnt boot. tried to just odin a new kj3 and this is where i started to notice the brick.
I also tried a method by krylon which he provided me PIT file and to odin with partition checked and didnt help.
I think my partitions are all wacked. Anybody have a fix for this?
In the vibrant forums there are fixes with the exact same issue but i cant find any on sgs4g forum. And I obviously dont want to flash vibrant files. Their fix requires a odin pit file with partition checked.
Thanks!!
Click to expand...
Click to collapse
The method I gave you does work. I know because I made it happen last night. had voodoo enabled, ODINED KH2 (with sbl) and stock KH2 kernel, and the Pit that I pulled off my phone, it rebooted me into stock recovery, with the same error. I did a factory reset through recovery, as well as wiped cache. I still had the same error, but when I rebooted the phone (through recovery) everything came up just as it should.

i appreciate the help you've given me krylon, and i do believe you. how ever im not sure why its not working for me i also tried what you just posted. what does (with sbl) mean? when i try rebooting from the stock recovery after factory reset and cache wipe, it says cant mount data rebooting and just reboots back in to recovery, im also getting errors on factory resetting
@HB66 what do you mean ordinary? is that a program
and it will actually wipe the internal drive?

I got the rainbow screen when i boot into download mode and my phone wont rebboot fully

Sorry I ment odin but the phone got it wrong.

You need gb bootloader, odin the kernel, and kg4 should fix it. The flash your rom

Try unchecking repartition if you get that error again...
Sent from my SGH-T959V using XDA App

@HB66 now is the program called nortons partition magic? it formats and detects the internal HD? are their any steps i need to know

champ1919 said:
Try unchecking repartition if you get that error again...
Sent from my SGH-T959V using XDA App
Click to expand...
Click to collapse
tried that

Will pay
will pay to who ever gets this working for me!
we can gmail chat or whatever if some one wants to help

What ROM did you have on there before?

Well? Still broke or not? Suspense is killing me....
Sent from my SGH-T959V using XDA App

We PMed a bit and it's fixed. The gist was that he formatted the SD card (he was following an earlier suggestion) and he ODINed the KG4 leak that has the right bootloaders, PIT, CSC, Phone, & PDA file.

Oh Oh
stephen_w said:
We PMed a bit and it's fixed. The gist was that he formatted the SD card (he was following an earlier suggestion) and he ODINed the KG4 leak that has the right bootloaders, PIT, CSC, Phone, & PDA file.
Click to expand...
Click to collapse
Can you help me too? Yes, this is an old post but i'm having the same problem. Tried to return to Stock rom & i soft brick.
I get an E: failed to mount /data (invalid argument)
E: delete_data_files:Can´t mount/ data your storage not prepared yet. Please Ui men u for format an reboot actions
e:\discard_filesystem_for_rfs: Can´t mount/ data
I tried installing stock but it never boots, actually it boot loops on Samsung logo.
Any idea how to fix it?

Jordaliz09 said:
Can you help me too? Yes, this is an old post but i'm having the same problem. Tried to return to Stock rom & i soft brick.
I get an E: failed to mount /data (invalid argument)
E: delete_data_files:Can´t mount/ data your storage not prepared yet. Please Ui men u for format an reboot actions
e:\discard_filesystem_for_rfs: Can´t mount/ data
I tried installing stock but it never boots, actually it boot loops on Samsung logo.
Any idea how to fix it?
Click to expand...
Click to collapse
Do a factory reset in your recovery.

Emmm...
jd1639 said:
Do a factory reset in your recovery.
Click to expand...
Click to collapse
I've tried that but i get this error:
e:\format_volume: rfs format failed on /dev/block/stl10
Seems useless to reset through recovery.

Reflash. Sounds like lagfix was on when you did whatever you did.

ok so i was switching from audiophile to "rcs unnamed rom??" and then back to audiophile again because something wasnt rtight when i got the second rom running...i had it going before its not the roms fault i did something wrong....then i made ANOTHER mistake going back to audiophile. So its stays stuck on the logo screen forever i waited an hour or two and pulled the battery. every time after that i would get stuck at the samsung logo screen...so i boot into recovery and flash a nandroid backup of audiophile....now its really f'd i cant get past the "asterisk" symbol that shows up right before the "charging battery bar" when i try to get into recovery or download mode if boot normally it stays stuck at the logo screen. need some help here....and odin doesnt see the phone...my pc sees it and calls it an unrecognized device.

Having a ton of backup/restore issues.

I am having some serious issues with my phone today. What exactly is the point of formatting system, data, and cache after you wipe? What is the advantage and what happens if you just wipe and not format? I have never had issues making backups and restoring them until I started having to format before flashing these new JB roms. I have noticed that any backup I make (even ones that I have successfully restored without issue numerous times) completely stop working after I format my phone. Phone has bricked three times today.
This morning I had to bust out ODIN again and flash the Root66 (stock root) to fix the phone. Annoying, but no big deal. After I'm done I made a backup of the stock root. No issues. Then I go into recovery and factory wipe, wipe cache, and wipe dalvik. Did that twice. Then formatted system, data, and cache twice too. Flash the TasteOfBeans rom...installs no problem. Working great. Spent about two hours setting my phone up the way I used to have it. Boot into recovery and make a backup of this rom since I have set it up. About an hour goes by and I need to use my GPS so I boot into recovery and attempt to restore the stock root backup I made just this afternoon and it fails. Why the hell is it failing? Then I go to reboot system so I can at least get back into the JB rom and it just get stuck on the samsung boot logo (my boot loader is unlocked).
I had these exact same order of events occur with JellyWiz last night. I'm pretty over the whole format system, data, cache after wiping because this is the only new thing I have been doing and its cause me to bust out ODIN about three times in two days and all my backups are failing.
VERY frustrating...
To make it even worse after my most recent run in of failed restores and stuck on boot, I just ran odin again flashing the same Root 66 that I have been using to solve my issues all day and now its stuck in the Verizon 4G LTE boot.

So, even after using ODIN the phone is stuck in the Verizon 4G LTE bootloop. I flashed the Stock Root 66.
After I gave up on that, I decided to completely unroot the phone and start from scratch so I flashed the stock unrooted zip in ODIN. Same result...cant get past the Verizon boot screen. What is happening? Is my phone completely screwed or is it fixable?

Alright, perhaps you should try odin flashing the phone back to complete stock. No Root66, just factory firmware.

yosterwp said:
Alright, perhaps you should try odin flashing the phone back to complete stock. No Root66, just factory firmware.
Click to expand...
Click to collapse
1+
Odin the stock Verizon ROM.
During first reboot after Odin, sometimes the phone will hang. Pull out the battery. Count to 10. Put the battery back and hopefully the phone should boot.
....just double check all the proper boxes are checked and unchecked in Odin. PDA only.....
Sent from a SYNERGIZED GalaxySIII

[Q] Phone Beyond Repair? Please HELP!

Hi All,
I think my phone may be done for, but I wanted to ask all of you first. It all started when I booted up my phone, and it went into Stock GB and before I could do anything at all, everything started force closing (i.e. twlauncher, clock, 10 other things etc.) basically the entire OS and the phone would reboot and then again same problem. Sometimes it would get stuck on the ATT "Rethink Possible" screen for a while, and then immediately it would get to the Your phone is locked screen, and everything would be force closing again. I booted up into recovery mode and wiped user data and cache. Nothing. So then I decided to re load the firmware using jscott's completely stock rom. I used ODIN with PIT, PDA, and Phone and let it do its thing. PASS. Once again, phone did the SAME thing over and over. I then thought let me try either a custom ROM or rooted stock GB. I used jscott's "I997UCLB3-CWM-root-deodex.rar" and used ODIN. PASS. Cleared user data, cache, dalvik. Tried to boot. Still SAME problem. Then I thought maybe I could load ICS Custom ROM and fix the issue (a stretch I know, but no idea what else to do). So, I used ADB to push "Infinitum" ICS ROM to the /sdcard Booted to CWM Recovery and installed the zip. The phone rebooted with the blue android logo and then once again, got to the welcome screen and everything started force closing and the phone rebooted.
Am I just out of luck? Any advise would be greatly appreciated. Thanks in advance.
SuperG03

SuperG03 said:
Hi All,
I think my phone may be done for, but I wanted to ask all of you first. It all started when I booted up my phone, and it went into Stock GB and before I could do anything at all, everything started force closing (i.e. twlauncher, clock, 10 other things etc.) basically the entire OS and the phone would reboot and then again same problem. Sometimes it would get stuck on the ATT "Rethink Possible" screen for a while, and then immediately it would get to the Your phone is locked screen, and everything would be force closing again. I booted up into recovery mode and wiped user data and cache. Nothing. So then I decided to re load the firmware using jscott's completely stock rom. I used ODIN with PIT, PDA, and Phone and let it do its thing. PASS. Once again, phone did the SAME thing over and over. I then thought let me try either a custom ROM or rooted stock GB. I used jscott's "I997UCLB3-CWM-root-deodex.rar" and used ODIN. PASS. Cleared user data, cache, dalvik. Tried to boot. Still SAME problem. Then I thought maybe I could load ICS Custom ROM and fix the issue (a stretch I know, but no idea what else to do). So, I used ADB to push "Infinitum" ICS ROM to the /sdcard Booted to CWM Recovery and installed the zip. The phone rebooted with the blue android logo and then once again, got to the welcome screen and everything started force closing and the phone rebooted.
Am I just out of luck? Any advise would be greatly appreciated. Thanks in advance.
SuperG03
Click to expand...
Click to collapse
Have you tried qkster's hiemdall back to stock? http://forum.xda-developers.com/showthread.php?t=1524081
If it doesnt work, try using different computer/usb cable/usb slot

ibCurlyFry said:
Have you tried qkster's hiemdall back to stock? http://forum.xda-developers.com/showthread.php?t=1524081
If it doesnt work, try using different computer/usb cable/usb slot
Click to expand...
Click to collapse
+1

ibCurlyFry said:
Have you tried qkster's hiemdall back to stock? http://forum.xda-developers.com/showthread.php?t=1524081
If it doesnt work, try using different computer/usb cable/usb slot
Click to expand...
Click to collapse
Ok, I did that as well. Same thing happens. Everything completes successfully on the Heimdall 1 click, but when it boots, same problem...
I tried multiple times with multiple computers.
I also tried GTG Unbrick complete stock as well just in case. Same thing...
Anyone else know what I can try / do?
Thanks!
SuperG03

clean your power button?

qkster said:
clean your power button?
Click to expand...
Click to collapse
LOL! Guess we are running out of options...
My situation is the weirdest thing and makes no sense and I hate things that don't make sense...
SuperG03

I would suggest formatting EVERYTHING except the boot partition on the phone and try again to stock. Something is screwed up and is causing the force closes. If you do that and it STILL does this, then there is a hardware failure that is most likely causing the issue.

MrBooMY said:
I would suggest formatting EVERYTHING except the boot partition on the phone and try again to stock. Something is screwed up and is causing the force closes. If you do that and it STILL does this, then there is a hardware failure that is most likely causing the issue.
Click to expand...
Click to collapse
Sounds like a plan. How would I format absolutely everything?
SuperG03

SuperG03 said:
Sounds like a plan. How would I format absolutely everything?
SuperG03
Click to expand...
Click to collapse
Can you get into recovery mode at all? Forgot to mention that.

MrBooMY said:
Can you get into recovery mode at all? Forgot to mention that.
Click to expand...
Click to collapse
Yes, I can get into recovery or download mode.
When I ODIN or Heimdall into the stock, I have 3e recovery. If / When I add CWM entropy kernel then I have CWM red recovery mode.
I have tried wipe user data, cache, dalvik cache, etc. to no avail.
SuperG03

There should be a mounts and storage menu where you can format stuff. Format EVERYTHING except the BOOT partition. IF you format boot you are screwed! Also if you have IMPORTANT info on the external or internal SD card back that up first!!!!!

MrBooMY said:
There should be a mounts and storage menu where you can format stuff. Format EVERYTHING except the BOOT partition. IF you format boot you are screwed! Also if you have IMPORTANT info on the external or internal SD card back that up first!!!!!
Click to expand...
Click to collapse
Oh yes, I have done that several times already. I have mounted everything and then proceeded to format them all. It does keep telling me that sd-ext is not found... (not sure if that is normal)
So to recap, I have tried installing / flashing with the following:
ODIN GTG UCKD5: http://forum.xda-developers.com/showthread.php?t=1116251 Flash PASS - same problem exists
ODIN JScott UCLB3: http://forum.xda-developers.com/showthread.php?t=1705260 Flash PASS - same problem exists
Heimdall qkster UCLB3: http://forum.xda-developers.com/showthread.php?t=1524081 Flash Successful - same problem exists
ODIN JScott UCLB3 Rooted CWM (Entropy's Daily Driver): http://forum.xda-developers.com/showthread.php?t=1613523 Flash PASS - same problem exists
CWM Install ROM Infinity ICS - Successful Install - same problem exists
CWM Install ROM SlimBean (Jelly Bean) - Successful Install - same problem exits
Problem occurs no matter how many data/factory reset wipes I do. As soon as OS boots, everything immediately starts force closing (I can see the welcome screen, but can't get to it with all the force closes on top).
Example of some of the force closes: "android.process.acore has stopped" & "com.google.process.gapps has stopped", etc.
Ran EMMC Brick Find: http://forum.xda-developers.com/showthread.php?t=1823918 and it went through each MB up to 16 GB and said OK.
I think that covers it all.
Anymore ideas on what to try?
If it is hardware, what could it be?
SuperG03

I'm guessing you did let it do the bootloaders on the flash? Other than that it sounds like a serious hardware issue like a failing processor.

SuperG03 said:
Oh yes, I have done that several times already. I have mounted everything and then proceeded to format them all. It does keep telling me that sd-ext is not found... (not sure if that is normal)
So to recap, I have tried installing / flashing with the following:
ODIN GTG UCKD5: http://forum.xda-developers.com/showthread.php?t=1116251 Flash PASS - same problem exists
ODIN JScott UCLB3: http://forum.xda-developers.com/showthread.php?t=1705260 Flash PASS - same problem exists
Heimdall qkster UCLB3: http://forum.xda-developers.com/showthread.php?t=1524081 Flash Successful - same problem exists
ODIN JScott UCLB3 Rooted CWM (Entropy's Daily Driver): http://forum.xda-developers.com/showthread.php?t=1613523 Flash PASS - same problem exists
CWM Install ROM Infinity ICS - Successful Install - same problem exists
CWM Install ROM SlimBean (Jelly Bean) - Successful Install - same problem exits
Problem occurs no matter how many data/factory reset wipes I do. As soon as OS boots, everything immediately starts force closing (I can see the welcome screen, but can't get to it with all the force closes on top).
Example of some of the force closes: "android.process.acore has stopped" & "com.google.process.gapps has stopped", etc.
Ran EMMC Brick Find: http://forum.xda-developers.com/showthread.php?t=1823918 and it went through each MB up to 16 GB and said OK.
I think that covers it all.
Anymore ideas on what to try?
If it is hardware, what could it be?
SuperG03
Click to expand...
Click to collapse
Here are the steps I would try to bring the phone back to a working stock GB. I can only offer a Heimdall approach.
1. Take out your microSD card.
2. Boot into DL mode.
3. Flash this in heimdall: http://forum.xda-developers.com/showpost.php?p=23118162&postcount=3
4. Boot into recovery.
5. In cwm: factory reset. Wipe cache. Advance: wipe dalvik. In Mount: format -system, data, cache, SDCard.
6. Power off.
7: Heimdall UCLB3. http://forum.xda-developers.com/showthread.php?t=1524081. Read the op. Flash it once to complete. If successful, on the PC screen, click the boot loader flash and wait for the phone to complete booting up. After the phone finishes, go to /Settings/Privacy: factory reset and wipe SDCard again. Put it back into DL mode
8. Flash the UCLB3 Heimdall again, with the BootLoader box checked.
9. Once complete, let the phone boot up and run it as stock without the microSD card.
It should run as stock uclb3 - factory new. Go through the set up - do not accept GOGGLE BACKUP for now.
If the phone process continues to crash, you are sol.
gl..
ps..you can always sell the screen..it's worth at least $75-to another user with a broken screen.

qkster said:
Here are the steps I would try to bring the phone back to a working stock GB. I can only offer a Heimdall approach.
1. Take out your microSD card.
2. Boot into DL mode.
3. Flash this in heimdall: http://forum.xda-developers.com/showpost.php?p=23118162&postcount=3
4. Boot into recovery.
5. In cwm: factory reset. Wipe cache. Advance: wipe dalvik. In Mount: format -system, data, cache, SDCard.
6. Power off.
7: Heimdall UCLB3. http://forum.xda-developers.com/showthread.php?t=1524081. Read the op. Flash it once to complete. If successful, on the PC screen, click the boot loader flash and wait for the phone to complete booting up. After the phone finishes, go to /Settings/Privacy: factory reset and wipe SDCard again. Put it back into DL mode
8. Flash the UCLB3 Heimdall again, with the BootLoader box checked.
9. Once complete, let the phone boot up and run it as stock without the microSD card.
It should run as stock uclb3 - factory new. Go through the set up - do not accept GOGGLE BACKUP for now.
If the phone process continues to crash, you are sol.
gl..
ps..you can always sell the screen..it's worth at least $75-to another user with a broken screen.
Click to expand...
Click to collapse
Thanks. I did try exactly as you stated. No go. Still crashing.
I wonder what hardware failure it would be?
SuperG03

Not sure if this will help figure out anything, but if someone is really good at looking at a logcat file, I am attaching one that I obtained from ADB from when the phone started to boot at the ATT Rethink Possibilities Screen all the way through the constant unending force closes of everything as soon as the OS loads.
Thanks again for anyone willing to look this over.
SuperG03

SuperG03 said:
Not sure if this will help figure out anything, but if someone is really good at looking at a logcat file, I am attaching one that I obtained from ADB from when the phone started to boot at the ATT Rethink Possibilities Screen all the way through the constant unending force closes of everything as soon as the OS loads.
Thanks again for anyone willing to look this over.
SuperG03
Click to expand...
Click to collapse
Just a guess and I may be wrong but I looked briefly through the beginning of your logcat. The stock gb kernel should not be looking for /etc/init.d and there were some items listed for voodoo and lagfix and some mentioning of entropy. Is your OS messing up when you are trying to run Entropy's DD kernel?
If you are running a diagnostic with complete stock to make sure the phone and firmware is using complete stock and rfs file system, these items should not be a part of your logcat...
The only suggestion I have is wipe the sdcard and voodoo folder and try a complete re-partition and boot loader flash.
gl

qkster said:
Just a guess and I may be wrong but I looked briefly through the beginning of your logcat. The stock gb kernel should not be looking for /etc/init.d and there were some items listed for voodoo and lagfix and some mentioning of entropy. Is your OS messing up when you are trying to run Entropy's DD kernel?
If you are running a diagnostic with complete stock to make sure the phone and firmware is using complete stock and rfs file system, these items should not be a part of your logcat...
The only suggestion I have is wipe the sdcard and voodoo folder and try a complete re-partition and boot loader flash.
gl
Click to expand...
Click to collapse
This actually isn't with stock. This is with the Entropy DD kernel. I followed your earlier thread to go back to complete stock and same error. I needed CWM to do other things, so I installed the Entropy DD, but same errors. I just happened to dump the logcat during that run.
As far as your suggestion, I believe that is what was already happening with your earlier post? As for RFS file system, does your Heimdal One Click do that already? If not, what do I need to do to create that specific FS? I think it might actually be Fat32 and EXT4? Thanks!
SuperG03

Heya,
Did you ever have any luck with this issue? I've a phone with similar issues.
Odin to stock - force closes and/or boot loops
Heimdall to stock - force closes and/or boot loops
Install various roms through CWM - force closes and/or boot loops
(I followed all directions to the letter, multiple times)
the last attempt lead me through a series of odins/heimdalls/roms ... basically following a path to install the latest CM10, during which sometimes a rom would seem to be stable before I moved on to the next and other roms would bootloop / fc right off the bat ..
once on CM10, though, it was stable... I was able to install apps from the market, play with settings, etc .... I did experience a 2 or 3 random reboots though in the process and ultimately, when I put my sim card and sdcard in, it was stuck in a boot loop
It doesn't appear that I'm experiencing a power button failure like other people are having ... only reason I mentioned it is because of the random reboots

"Encryption Failed" - Phone Will Not Factory Reset

After searching through countless threads on this site, I've had no avail in resetting my Rogers Samsung Galaxy S6 running XtreStoLite 2.2.
A little while ago, I thought it would be a good idea to encrypt my phone with a custom ROM installed. I knew I had recovery and download mode, so I thought It'd be no biggie. Left the phone on overnight encrypting, came back 24 hours later and knew that it hung somewhere. Booted it up and this screen came up: Reset it and restored from TWRP backup, the same screen right here came up: http ://i.imgur.com/J37aZaq .png (sorry XDA will not let me post links, remove spaces) after this, I tried pressing the "reset device" button without success. It just rebooted the phone. Tried to restore from a different backup, no avail, then I tried to flash my custom ROM again through TWRP, no avail. I download ODIN and flashed stock Samsung firmware onto it and it still gave me this screen when I was done. Tried going into TWRP and factory resetting (where it wipes all partitions) and nothing happened. Currently, I'm trying to flash my Samsung Galaxy S6 with the stock firmware through ODIN with the "re-parition" box checked.
It seems there's a hardware flag of some sort stopping this from working. I mean, my file system is brand new, reset to factory defaults, I even checked with ADB and everything has been formatted. Checked with TWRP file manager and everything is good. But I can't get past the "Encryption Failed" screen.
Help me! Thanks.

fix
did you fix this?

Hi, i am encountering the same problem with my G920F.
I have the XtreStoLite_Deo_Mod_v.2.3 and also TWRP installed
I started encrypting but it got stuck so i rebooted my phone and got the same message (Encryption failed, please do a factory reset). So i did the reset but the same screen appeared. I also tried restoring from a back-up from TWRP but the same screen was still there. So i decided to do a full wipe and restore the phone with a twrp back up witch was on my laptop. But when i am in TWRP i can not copy files to (or from) my phone. So it is not possible to get the backup on my phone. I am able to get in to download mode and connect the phone with odin.
My questions are :
- what was the solution to the problem?
- What causes the copying error? And what is the solution? So i can put the backup on my phone and try to restore it this way.
- What are my option with odin? Can i use the TWRP files in odin?
Thanks a lot in advance
Jules

Solved the issue. After a full wipe i installed a stock firmware with odin. It still displayed encryption failed after reboot. But after the factory reset the notification was gone.

I have fixed this
Best solution is on a stock rom to reset. If rooted with recovery -format and wipe all data, reset, let sit at boot for a while, go into recovery and install new rom from USB-OTG, or odin from download mode.