(Guide) Get TWRP Working with Data Access on Stock [UPDATED]

[Xsavi]

Thanks to @seadersn and @SGCMarkus, Markus's new TWRP makes things extremely simple now.

What you need:​

SGCMarkus's TWRP
fstab.judypn with forceencrypt set to encryptable.
magisk
and the .magisk file​

Instructions:​

1. Follow the instructions to boot and install TWRP on SGCMarkus's TWRP thread

2. While you're still in TWRP, mount vendor and push the fstab.judypn with:

adb push path/to/fstab.judypn /vendor/etc

3. Format data via TWRP.

4. Push the .magisk to /data (For dm-verity reasons. It will restore the fstab.judypn with forceencrypt enabled) with:

adb push path/to/.magisk /data

5. Flash Magisk.

You're done! No bootloops this time. XD

 

[T3R4BYTE]

i want to try this at some point. When i did before, the screen was black. Thanks for the guide!

 

[TheMadScientist]

I need to get US pie on my device but will be doing this

 

[dreamss29]

i got some issues..
i cant mount system_root and i saw there is no /system_root/system/priv-app folder... so i took modified LGSettings.apk to sd card and i put it to /system/system/priv-app/LGSettings... then i format userdata in fastboot,i got twrp loop.....

 

[T3R4BYTE]

i got some issues..
i cant mount system_root and i saw there is no /system_root/system/priv-app folder... so i took modified LGSettings.apk to sd card and i put it to /system/system/priv-app/LGSettings... then i format userdata in fastboot,i got twrp loop.....

Flash the magiskpatched boot img included in the files

 

[xaxxelous]

I just had my bootloader unlocked. I am trying to install TWRP, but if I flash stockpiemagisk.img or TWRP-judypn-2019-07-01.img then use the buttons to choose a factory reset I just get bootloops. I select yes both times, just like normal and it loops until going to a fastboot screen. I can then flash the original magisk_patched.img I got from the guy who unlocked my bl, but no TWRP. Even he wasn't sure why this is happening. Any ideas anyone?

Also, in case its related, I lost download mode and can't get that back even by flashing an original backup of laf_b or the lgup compatible laf. I had download mode and flashed Pie before the bl unlock...

Edit: I got download mode back. Turns out when he was unlocking the bootloader he flashed abl_b incorrectly. Once I flashed it correctly DL mode works... Now for TWRP...

NVM.... found the problem...

 

[avaie]

I have an issue. After clearing the userdata procedure, this attached images is what I get. It's a reddish boot-up screen. The Active Slot also defaulted to B (as opposed to A). I have a fastboot-loop. I am wondering where I went wrong. I completed a successful procedure on another device hours ago. LGUP does not function as well. The phone defaults to Fastboot.

 

[avaie]

I am able to get to TWRP but the fastboot-loop has changed. The image attached is what I get. I suppose in my attempt to remedy, the wrong Laf files have been flashed. It's V405UA20a

 

[curtis91]

Hello mister

Actually is it possible to flash this stockpie.img on a V406EBW ?
Regards

Fred

 

[crubbish]

I have an issue. After clearing the userdata procedure, this attached images is what I get. It's a reddish boot-up screen. The Active Slot also defaulted to B (as opposed to A). I have a fastboot-loop. I am wondering where I went wrong. I completed a successful procedure on another device hours ago. LGUP does not function as well. The phone defaults to Fastboot.

I have exactly the situation you described (fastboot loop + pink letters screen when I try to get into DL mode). If you've managed to rectify this, can you please give me directions. Thanks.

 

[avaie]

I have exactly the situation you described (fastboot loop + pink letters screen when I try to get into DL mode). If you've managed to rectify this, can you please give me directions. Thanks.

Hi - I eventually lost root and the system factory-reset after an attempt to boot into TWRP. I have scheduled to have VLAD reflash the entire phone. My bootloader is unlocked though but don't think much can be done. There might be other variables that might be affected.

If there is a guide to using Octoplus, it will be appreciated. It also seems telegram is the new medium for development.

 

[crubbish]

I have scheduled to have VLAD reflash the entire phone. .

That's what I plan to do as well. Thanks for responding!

 

[avaie]

That's what I plan to do as well. Thanks for responding!

All the best.

 

[rerven]

will try out to follow up this info

 

[Yzakz]

When I follow step 3 "Format data via TWRP", at the end of the format it says:

"Updating partition details...
...done
Full SELinux support is present.
WTP Enabled
Formatting Data using mke2fs...
Done.
You may need to reboot recovery to be able to use /
data again.
Updating partition details...
...done
UNABLE TO MOUNT STORAGE, DECRYPTION NEEDED FIRST"

I don't think that's good... Or is it?

 

[whitedavidp]

Please Clarify/Help

I have managed to get TWRP installed and working but did not notice to do this. I went ahead and used Android already only to find that I need to do this.

I have booted into TWRP but cannot select vendor to mount it. Everything except system and vendor (and USB-OTG because there is not attached) will let me check them. But not vendor.

Do I have to go all the way back and re-install TWRP and to this before I do ANYTHING else? Do I have to do this while I am still in TWRP loaded from the image on my PC?

I realize this will loose all I have done within Android and that is the price I pay for not reading in detail. But I want to make sure this is the last time.

Thanks!

 

[whitedavidp]

Not What I Expected - Decryption Failed!

I went ahead and re-installed TWRP from fastboot per the Markus thread After rebooting back into TWRP I then followed instructions in the 1st post here.

I could not mount vendor but I saw messages saying it was busy. So I assumed it was not unmounted and went ahead with the push to /vendor/etc. It reported successful from adb. And in TWRP file manager I can see a file named /vendor/etc and in the terminal I can cat its contents which look like what I see on my PC.

I then wiped the /data only using advanced wipe and it used makefs, not format.

I then pushed .magisk to /data and it too reported successful from adb.

I then flashed magisk and that seemed successful as well. Inside to TWRP's file manager, I was able to see the .magisk and various folders under /data. This seemed promising enough.

I finally rebooted to system and got shown what is in the attached screenshot. At that point, I had no option but to agree to the reset. When I touched that button, I was returned to TWRP. So I powered off from TWRP and tried to restart the phone. Once again I get the same decryption unsuccessful.

So I seem to be in a TWRP loop. How to proceed? Thanks

 

[whitedavidp]

I went ahead and re-installed TWRP from fastboot per the Markus thread After rebooting back into TWRP I then followed instructions in the 1st post here.

I could not mount vendor but I saw messages saying it was busy. So I assumed it was not unmounted and went ahead with the push to /vendor/etc. It reported successful from adb. And in TWRP file manager I can see a file named /vendor/etc and in the terminal I can cat its contents which look like what I see on my PC.

I then wiped the /data only using advanced wipe and it used makefs, not format.

I then pushed .magisk to /data and it too reported successful from adb.

I then flashed magisk and that seemed successful as well. Inside to TWRP's file manager, I was able to see the .magisk and various folders under /data. This seemed promising enough.

I finally rebooted to system and got shown what is in the attached screenshot. At that point, I had no option but to agree to the reset. When I touched that button, I was returned to TWRP. So I powered off from TWRP and tried to restart the phone. Once again I get the same decryption unsuccessful.

So I seem to be in a TWRP loop. How to proceed? Thanks

Well, as they say, if at first... I went through the steps here again. I made sure I hit the format button instead of wipe. And I made triple sure that everything was where it seemed to need to be and looked right. When I finally rebooted to system, I am now in Android setup as expected. To see if there is still encryption (ie, TWRP can see and backup /data) remains to be seen. Cheers

 

[whitedavidp]

Well, as they say, if at first... I went through the steps here again. I made sure I hit the format button instead of wipe. And I made triple sure that everything was where it seemed to need to be and looked right. When I finally rebooted to system, I am now in Android setup as expected. To see if there is still encryption (ie, TWRP can see and backup /data) remains to be seen. Cheers

Sadly, once finished with a minimal Android setup I went back into TWRP and /data shows nothing. In backing up, it shows /data as 0 bytes. So I presume this means I am still encrypted. Is there no way out of this hell? Thanks

 

[NGOwner]

Sadly, once finished with a minimal Android setup I went back into TWRP and /data shows nothing. In backing up, it shows /data as 0 bytes. So I presume this means I am still encrypted. Is there no way out of this hell? Thanks

Here's the thing I would try. Load up LGUP and reload a stock kdz. Make sure that before you begin futzing with the phone, you are booting from Slot A.

Then retrace all the steps carefully. And don't set up anything on the phone until you have reached nirvana (bootloader unlocked, unencrypted, Magisk installed).

You'll get there.

[NG]Owner