I wanted to update from Cyanogenmod 10.1 to Google Edition 4.3, so I booted into recovery. I had enabled device encryption prior to this, and decided it isn't worth the hassle to me. So I decided to format the phone (I had backups of everything, but no NANDroid!). The formatting went well, there was no ROM to boot into anymore.
I had to use ADB to push the ROM onto the device, which I then flashed successfully. When I booted up, I was asked for my encryption password. The old key didn't work anymore. I was locked out of the ROM.
I looked into using ODIN to flash stock to remove encryption, but ODIN never connected to the device and I don't like this route because I'd have to root and get a recovery again. I tried Heimdall, but even when I installed C++ 2013 redist it wouldn't run, and again I don't like this idea but would do it if I had to.
How can I remove device encryption through ADB and recovery? I won't be able to boot up until I remove whatever files indicate that the device is "encrypted" and re-flash a ROM. My recovery is TWRP 2.600.
Dadasas said:
I wanted to update from Cyanogenmod 10.1 to Google Edition 4.3, so I booted into recovery. I had enabled device encryption prior to this, and decided it isn't worth the hassle to me. So I decided to format the phone (I had backups of everything, but no NANDroid!). The formatting went well, there was no ROM to boot into anymore.
I had to use ADB to push the ROM onto the device, which I then flashed successfully. When I booted up, I was asked for my encryption password. The old key didn't work anymore. I was locked out of the ROM.
I looked into using ODIN to flash stock to remove encryption, but ODIN never connected to the device and I don't like this route because I'd have to root and get a recovery again. I tried Heimdall, but even when I installed C++ 2013 redist it wouldn't run, and again I don't like this idea but would do it if I had to.
How can I remove device encryption through ADB and recovery? I won't be able to boot up until I remove whatever files indicate that the device is "encrypted" and re-flash a ROM. My recovery is TWRP 2.600.
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Click to collapse
Did you ever find an answer to this? I am in the same boat right now.
stpark6985 said:
Did you ever find an answer to this? I am in the same boat right now.
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Click to collapse
Have either of you found a solution, i have the same problem right now. i even tried flashing stock with odin but it is still asking for the DevicePolicyManager password.
Not sure if it's still a relevant question, but here's an answer for you:
I had an issue like this, only I didn't enable encryption by choice, it just turned on automatically (I think I had a bad app). Anyway, on reboot, it said Encryption failed, try a factory reset in recovery and go again. No avail, so I ended up having to re-flash to stock. I grabbed my old MG1 install, flashed though Odin, and ended up working. That night, I flashed a bad modem and effed myself over again, so I re-downloaded and re-flashed (using my mac and Heimdall) to get it back to stock that way. Heimdall command-line is the way to go, if you ask me. You can flash each and every partition manually until you find the one that is broken, and away you go.
The information I used was in THIS THREAD. Just use your TAR file and flash away.
Related
I'm trying to install CM via TWRP.
First I had to unlock the bootloader, so I did, and since then I could not boot to my stock Android (although, correct me if I'm wrong, unlocking the bootloader should NOT delete the OS), it just sent me to recovery.
So I went along, flashed TWRP and got cm 10.2.1 for jfltexx. At first it didn't install well, because my data partition was not formatted correctly. So I formatted it, now TWRP sees it correctly and is able to mount it, enable MTP and everything. When I try to install now, everything seems fine and TWRP's log shows "Updating partition details..." and gives me the "Successful" message, offering to wipe cache/reboot system. (I did wipe cache and dalvik cache before, of course).
If I choose "Reboot System", it just boots back to recovery. The same happens if I power it off and boot normally, even if I pull out the battery and retry that way.
What can I do about it?
Jon-G said:
I'm trying to install CM via TWRP.
First I had to unlock the bootloader, so I did, and since then I could not boot to my stock Android (although, correct me if I'm wrong, unlocking the bootloader should NOT delete the OS), it just sent me to recovery.
So I went along, flashed TWRP and got cm 10.2.1 for jfltexx. At first it didn't install well, because my data partition was not formatted correctly. So I formatted it, now TWRP sees it correctly and is able to mount it, enable MTP and everything. When I try to install now, everything seems fine and TWRP's log shows "Updating partition details..." and gives me the "Successful" message, offering to wipe cache/reboot system. (I did wipe cache and dalvik cache before, of course).
If I choose "Reboot System", it just boots back to recovery. The same happens if I power it off and boot normally, even if I pull out the battery and retry that way.
What can I do about it?
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Click to collapse
First I'd try a newer version of CM. That's an old one. It might not work and play well with a newer version of TWRP. Plus the newer version is a little more polished.
Second, if you must use that CM version, redownload it. You wouldn't be the first person who got a corrupted install file that causes screwball issues like this.
Third, if all else fails use Odin to reset back to stock and start over. Something might have gotten all borked up when you first modified the device that isn't letting the install work. A full restore to stock should correct that.
Skipjacks said:
First I'd try a newer version of CM. That's an old one. It might not work and play well with a newer version of TWRP. Plus the newer version is a little more polished.
Second, if you must use that CM version, redownload it. You wouldn't be the first person who got a corrupted install file that causes screwball issues like this.
Third, if all else fails use Odin to reset back to stock and start over. Something might have gotten all borked up when you first modified the device that isn't letting the install work. A full restore to stock should correct that.
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Click to collapse
Thanks for the reply.
Regarding the versions of CM and TWRP, I deliberately picked these versions due to their high download count (A sign I can trust these builds, being not too buggy). I'll try a newer CM version and another TWRP version if that didn't help.
I will also verify the MD5 for the downloaded file this time.
If I restore to stock via Odin, wouldn't that override the recovery? I've looked on some tutorial on how it's done, and it seems like the stock recovery is flashed, then used to restore the stock. Is there any way to use Odin to flash other ROMs?
EDIT: Nope cm-11-20140210 also failed, and I did verify the MD5 now. My TWRP is the newest available for jgedlte in the download page (2.8.0.1).
I did manage getting into some sort of a boot loop (The initial "Reboot System" brought back the recovery, but after a full power off and a reboot, the screen remains black and the phone vibrates every 4 seconds or so.)
EDIT 2: I tried to flash the stock back, following this tutorial. I downloaded the Open European version, flashed the AP but it failed during the write of system.img.ext4, saying that the image is invalid. I tried again with the PIT file, but it failed too (secure check fail while repartitioning...).
So I am going to trade in my phone soon and as part of it I need to go back to stock. I was on a stock rooted ROM for today and when I got home I saw it had a software update. I figured Id just install it but then after clicking on it remembered that I would lose root in the upgrade and didnt want to deal with that. It had booted me into TWRP as soon as I clicked on the update and so I just turned the phone off and then on cause I figured nothing tried to actually install so it would be fine. Instead of booting the OS, it booted straight into TWRP. So I figured it had set a flag and wouldnt boot unless the update finished installing, so I would just wipe everything and re-flash a new ROM again. Did that, but I still boot straight into TWRP. Can anyone help me get back to a bootable OS state where I can use the phone again? I know it is kinda retarded to click on a software update on a rooted device, but I never thought it would completely break my ability to boot and still wouldnt even work if I wiped everything and re-installed the ROM or tried a different ROM.
My guess is that as soon as I clicked on the update it set a flag in the bootloader itself, because this issue persists even after wiping and flashing. And if I try to boot into the bootloader it actually boots me into TWRP. Should I try to use ADB in recovery and push a flashable bootloader onto the device and then try re-flashing the bootloader?
Hi guys, the times has come for me to open up my own account - I screwed up. I hope this is the right sub forum and apologize if it is not.
LG G2 Germany, formerly: TWRP recovery, Paranoid Android 5.1.1
Loved the rom but there were some issues like the screen turning off and on randomly, wouldn't accept pin right away, so I decided to go for CM 12.1.
Booted into recovery, factory wiped, tried to flash the .zip, but neither the rom nor the gapps would even begin to flash. It just said error.
Went crazy, tried some other CM versions, none of them worked. I've never had this issue before, when I flashed PA it all went just peachy.
Went even crazier and I can't really remember what I did in my panic spiral, but I somehow ended up with a soft-bricked phone. Managed to re-install the LG firmware .kdz, however, only the 4.2 one worked (4.4 gave me a bootloop.)
Now, getting this bad boy rooted and ready to flash custom roms is somewhat of a problem. I managed to get it into recovery though (after some issues with the recovery image), but flashing CM still won't work. Same error as before. I think there may be something wrong with the recovery image. I still had the image .apk from the first time I rooted my phone (also with 4.2) and it worked just fine so I figured I'd just use it again and do it like I did it last time. However, I am able to get into recovery mode. I've tried ClockworkMod and TWRP, but as a result of my panicking, it's just really a big ol' mess right now. I hope I've included all the info needed.
Please help, I'm actually lost.
Are you flashing the latest TWRP which is 2.8.7.1?
http://blastagator.ddns.net/twrp.html
Hey, thanks for replying. At the moment it only boots into recovery, unfortunately. ADB does not work, even after re-installing the usb drivers. My computer recognizes the device now though, but I can't get any files onto that thing at the moment.
Edit: It's not the latest TWRP
If you install the latest TWRP, you may be able to boot into TWRP and copy over a ROM to flash.
Hi everyone,
I hope that you all had/are having a lovely christmas. Unfortunately for my S4 christmas has been terrible. The phone has had low storage for a week now and was crashing as a result and I didn't have time to fix it. Yesterday the phone was running horribly and wasn't doing anything that I touched. So I rebooted which took way too long and when I did it again the phone now does not pass the galaxy s4 screen and also TWRP recovery will not pass its boot screen either.
I have attempted flashing stock recovery which said error mounting all partitions, afterwards a reboot allowed me to wipe cache thinking it would allow the phone to boot, but no change.
I am thinking to flash stock samsung rom through download mode since it is still functional so I can recover my data before moving to my new phone. Will this be a good idea considering that the Lineage OS rom is significantly smaller than the stock samsung rom or will it not worsen the situation?
Thanks for your help!
Flashing a stock ROM may not allow you to recover the data.
Did you try re-flashing the same version of TWRP or a different version to see if that helps to mount the data partition?
audit13 said:
Flashing a stock ROM may not allow you to recover the data.
Did you try re-flashing the same version of TWRP or a different version to see if that helps to mount the data partition?
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Click to collapse
Thank you for your response! I have tried flashing flashing both the same TWRP and different version which was in fact smaller. This saw no improvement in the condition and I still can not pass the TWRP boot screen.
What else do you suggest I try?
Thanks for your time!
Tried re-flashing the same ROM that was on the phone before the issue started?
Flashing a stock ROM may allow the phone to boot to its desktop without a factory reset. You may want to use this method as a last resort to get the phone into working condition.
It's also possible that the internal memory has failed which means there is no economical way to recover the data.
audit13 said:
Tried re-flashing the same ROM that was on the phone before the issue started?
Flashing a stock ROM may allow the phone to boot to its desktop without a factory reset. You may want to use this method as a last resort to get the phone into working condition.
It's also possible that the internal memory has failed which means there is no economical way to recover the data.
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Click to collapse
I am actually unable to flash anything without odin because I can't boot into my recovery which hangs on its twrp screen. Also if I have set my partitions to f2fs will this interfere with flashing the stock rom?
I am not sure if the file system will interfere with Odin flashing the ROM. Sounds like you may have to try flashing with Odin which will probably result in data loss.
audit13 said:
I am not sure if the file system will interfere with Odin flashing the ROM. Sounds like you may have to try flashing with Odin which will probably result in data loss.
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Click to collapse
Do you think it could possibly be a bootloader or kernel issue? Perhaps I could try flashing those first before a full factory firmware?
I don't think it is a bootloader issue as the phone will boot. The bootloader is similar to a computer bios. The computer bios checks to make sure the basic hardware is present and functioning. If the basics are met, the bios hands control of the device to the OS. In this case, the bootloader is handing control of the device to the OS but the OS can't boot.
I doubt that it is a kernel problem because the phone worked before so the kernel is compatible with the phone.
audit13 said:
I don't think it is a bootloader issue as the phone will boot. The bootloader is similar to a computer bios. The computer bios checks to make sure the basic hardware is present and functioning. If the basics are met, the bios hands control of the device to the OS. In this case, the bootloader is handing control of the device to the OS but the OS can't boot.
I doubt that it is a kernel problem because the phone worked before so the kernel is compatible with the phone.
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Click to collapse
So I took the plunge and installed the stock firmware now the phone boots and I'm greeted with a message asking to factory reset because encryption failed. I reinstalled TWRP and for some reason that still can't fully boot. I want to get it working so I can access the storage to remove the important files through either mtp or adb. There is some form of adb working whilst TWRP is booting but it can't access or see anything in the partitions or mount them even running as root.
Any ideas to get TWRP or any other recovery working on the phone? (The stock recovery booted just fine before I flashed TWRP)
Any help is much appreciated!
Kind Regards,
Crapping_Bricks
I think the stock Rom doesn't recognise the file system and thinks the encryption failed.
I'm not sure what else to suggest other than a factory reset since twrp doesn't allow pulling the data via adb or mounting the data partition.
Hey, I'm new here when it comes to writing forum posts, so bare with me.
I've had this tablet for a few years now and I had flashed it with one of Magendanz roms (Nexus Stock) and I wanted to change to the LineageOS rom he had. I downloaded the .zip file and copied it to my sdcard and tried to get into TWRP to flash it. I did restart to recovery in the OS and once it restarted, it's been doing a boot loop ever since. I have tried using Odin to flash the rom that way, but for some reason it'll keep doing a boot loop after it's done flashing and restart. I can try going back to the stock firmware if it's a final option to get this tablet working again, but I would love to see if I can get LineageOS to work.
DengekiMatsuko said:
I did restart to recovery in the OS and once it restarted, it's been doing a boot loop ever since.
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Click to collapse
I had a similar issue once. It turned out that after flashing, not all the partitions mounted properly.
Are you still using TWRP? Boot to recovery, and go into "Mount". Make sure the system and other partitions are actually ticked. That solved the problem for me, and I was able to successfully boot to the system.
Hopefully your issue is that simple!
I managed to brick my Tab A 10.1 (2019) last year by dirty flashing ROMs I shouldn't have. I properly munted it, I couldn't even get into recovery. But I could still get into download mode with a USB cable plugged in to my laptop (it needed to be plugged in for download mode to come up). I flashed the stock ROM, which made it bootable again, which then allowed me to re-flash TWRP and then Magendanz' LOS18.1 ROM.
If you completely break your tablet, reflashing the latest stock ROM for your region is a great way to get back to a familiar starting point. You can then follow people's guides online to get where you want to be.