Cannot wipe "/Data" & "/Dalvik" and TWRP is asking for Password [Solved]
Hey Guys!
So a few days ago i decided to install and try out the ubuntu touch. My Android OS was the newest CM-11 Nightly edition of the TF700t , but because it was not compatible with dual boot I wiped it out. Then I done everything as it was ordered and finally i had may Touch and my "TF700T_CROMBi-kk_RC2 KitKat-4.4.4rc2-CM11-D". Everything was perfect and there was no problem , then I wiped out the whole thing , because I dosen't liked the touch (from the beginning it was just about trying it out) and reinstalled the "TF700T_CROMBi-kk_RC2 KitKat-4.4.4rc2-CM11-D". For like a day there was no problem at all , then i turned off the tablet (before this shutdown there was like 3-4 restart) and when I turned it back 9 hours later the OS just restated it self when I tried to enter. The TWRP is asked for a password (I didn't setup any kind of security for my TWRP) so it was kinda odd. When I tried to restore my backup it's was a fail , also when I tried to wipe out the system "failed" , because the recovery system was unable to wipe the "/dalvik" and "/data" and neither can mount the "/data". I tried to update the TWRP via fastboot but my PC stays at "waiting for device". I appreciate any kind of suggestion and help , pls guys help I'm out of ideas .
TWRP version: 2.6.3.2
TWRP asks for a password if it can't read the file system on /data and so it assumes it's encrypted.
Sounds as if you corrupted your data partition somewhere in this. Try to format data (not wipe) in TWRP. This would erase all your data on the tablet, but you got that backed up anyway, right?
I swear to god that I tried this too , but it's worked. Thanks for the help.
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Hi @all
my TF101g sudenly got into bootloop at Eee logo. I can get into TWRP, get ADB connection to PC, tried everything I could find here in forum (PERI etc), but nothing helped.
At trying to format Data partition with ext2, I get an error. It seems that my Data partition is corrupted in such way that it can't be formated.
Any ideas what could I try?
Can I flash a stock ROM somehow?
I can flash from TWRP, but it does not seems to work. Tried KatKiss 4.4.36 (this one was installed at the moment of sudden bricking) and Android Revolution - none goes passt the Asus logo.
P.S. forgot to say how it happened - it rebooted at connecting it to the power source and after reboot got into loop.
Maybe you can go to twrp wipes, advanced wipe and than only click on data, than on the right "repair or change file system" I dont know why you wanna format to ext2? All my stuff is ext4, but I dont know if I changed it in the past.
TWRP wipes didn't help, and now it is too late to do anything. I tried to flash stock ROM, and I've lost TWRP. Now I have just the boot loop and no ADB, nothing.
weird, can you try to repair it in apx mode? (Volume Up & Power when the tablet is off). Maybe to flash stock rom again, or install twrp.
In 2013 i had the same problem in my tf101g, not did have solution here in xda, and not have. I tried solve the problem with myself. I not remember more. But, you will have to format your partition for ext4, then ext3, then ext2. In adb. Put in recovery, and go to pc. I not remember the codes. I will try to remember.
Hi mendez,
I found that solution too here in the forum, but it didn't work. I always got an error at formating, something about value too large.
Okay, I'm not sure if this entirely the right place. Have updated to Viper 2.1.0. Rebooted my phone, as I do each morning. It came up with needing to to enter a decryption key, ie; my password. Did said & it failed saying that data is corrupt. TWRP can no longer read the data portion either. Therefore can't wipe it in TWRP.
Is there a way to format or wipe the data partition through either fastboot or adb?
Factory reset but your data will be gone.
Random Pinenut Joy said:
Okay, I'm not sure if this entirely the right place. Have updated to Viper 2.1.0. Rebooted my phone, as I do each morning. It came up with needing to to enter a decryption key, ie; my password. Did said & it failed saying that data is corrupt. TWRP can no longer read the data portion either. Therefore can't wipe it in TWRP.
Is there a way to format or wipe the data partition through either fastboot or adb?
Click to expand...
Click to collapse
Try this, Venom helped with it a while ago and it worked, you will just have to re activate smart lock in google setting.
TWRP-Advanced-File Browser.
Navigate to /data/system and delete the locksettings.db.
I got my phone back from HTC after repair my phone screen and they wiped my custom rom and recovery but still have unlocked bootloader and restore oreo 8.0.
I managed to re-install twrp and tried to install a customed rom and experienced the same "decryption unsuccessful". But there is no lockingsettiings.db in the folder.
I will later try this method and report.... been a frustrating day....
=https://forum.xda-developers.com/showpost.php?p=59685278&postcount=3
So, I made a big mistake.
I tried to encrypt my device, but it got stuck at 100%, so i rebooted it and now it's completely messed up.
When i boot it, it asks me for a password, when i enter it, it says decryption unsuccesful and my data is corrupt.
It gives me the option to reset the phone, which is fine, but it reboots the phone into recovery.
But i can't get into recovery, i can't read it properly but as far as i understand it fails to mount /data 5-ish times and then reboots again and tries to boot android again, bringing me to the password screen once again.
I don't care about data, i have backups, but i just want my phone working again.
TL : DR: phone boots, asks password, says data is corrupted, reset phone, goes into recovery, fails to mount partition, reboots, back to ask password.
If i have to do something in ADB let me know, i'm far from good with it but i can at least get it working...
Edit: RECOVERY WORKS! I got that one working again! Problem is that it still can't mount the /data partition so i can't seem to reset/wipe the phone properly.
Edit 2: Device is up and running again. I re-flashed the recovery via the bootloader and ADB, did a full wipe with the recovery because the re-flash fixed it and the wipe fixed the mount problem. After the /data partition could finally be mounted again i just flashed a ROM as usual with gapps and problem solved!
The microSD was broken too but after formatting that with a PC the phone could use it properly again. Did take a few tries tho, no idea why.
Hello, thanks for your help.
It seems I bricked my galaxy s7 while trying to format the /data partition.
I installed TWRP 3.2 and a custom rom, and everything went smoothly until then.
I tried installing an audio mod which throwed a " can't mount /data" error, searching for solutions I read that formatting the data partition to fat and back to ext4 should solve the problem, I tried formatting it to fat with TWRP, however on the first try I got a message that it suceeded, followed by a message that /data could not be mounted, TWRP seemed to be still working (there was no reboot button or any other buttons, just a "working" bar). After giving the phone 3 hours I decided to restart it, now I can't access TWRP; it stays on it's "splashcreen", and of course the phone won't boot.
I'm having a rough time with this so I will appreciate it a lot if you can help me.
Thank you.
Boot to download mode, flash stock firmware using Odin, then retry the TWRP installation.
For wiping data, you have to make sure you use the wipe option that makes you type out 'yes' to wipe, the other factory wipe methods don't actually properly wipe the partition.
iirc you also then need to flash the dm no verity zip from the TWRP thread.
Bro you didn't have to do anything but just formating the phone in the first place. Aassuming you're on oreo , it happens to a lot of people and myself, after flashing a kernel twrp was unable to munt data, all i had to do is a data format in twrp that fixed the problem .
Hi,
I have an Honor 8 (EMUI 8). I opened the bootloader and flashed TWRP 3.2.0 via Multi-Tool.
Since TWRP asked for a password to the encrypted data partition, I elected to format it (Format Data, type yes) thinking it is empty anyway. However, Android won't boot now. TWRP works fine.
Why is this so?
And is there a quicker solution to the problem than flashing a new ROM?
delete
After many failed attempts I was finally able to revive the phone. I just needed to use Download Latest Version in eRecovery, and a Factory Reset afterwards.