Bricked Download mode does nothing, TWRP accessible - G2 Q&A, Help & Troubleshooting

So I installed the 801 stock leaked lolipop rom http://forum.xda-developers.com/tmobile-g2/development/stock-rom-lolipop-d801-d80130a-t3059934 that worked fine so I proceeded to attempt to root it and install twrp, the root wouldn't go through but TWRP did.
Once TWRP went through I wasn't able to boot into the system and my download mode sent me to fastboot. So I flash 801 20a laf image as I've done beforehand but that just leaves me with a download mode that only displays the words download mode. http://oi61.tinypic.com/29ghngg.jpg
I still have access to TWRP but all my files were erased so I don't know how to proceed.

Related

d801 boots to cm13 but no recovery and no download mode.

I flashed to cm13 nightly 20160302 and my phone boots to cm with no problem but now I am unable to boot into recovery through any method with twrp 3.0.0.4 or any twrp version I tried inside of twrp manager or flashify, I am put into fastboot mode when trying to enter recovery with 3.0.0.4 and a few other I tried while other versions give me unsecured boot message. When trying to go into download mode I get the first download mode screen and then the screen goes blank and brings up 15 system partitions on my pc with only one partition containing a folder called image with a bunch of files. The phone is detectable through adb and as a storage device on my pc while booted into cm and while in fastboot mode the phone shows up as marshal london device- marshal london bootloader interface in device manager with no storage.
I planned on going to cloudyg2 but now I'm thinking about just going back to stock, would I be able to use the lg flash tool to get back to stock? Or possibly use adb recover to stock or use adb sideload to flash the default lg rom?
hevydevy said:
I flashed to cm13 nightly 20160302 and my phone boots to cm with no problem but now I am unable to boot into recovery through any method with twrp 3.0.0.4 or any twrp version I tried inside of twrp manager or flashify, I am put into fastboot mode when trying to enter recovery with 3.0.0.4 and a few other I tried while other versions give me unsecured boot message. When trying to go into download mode I get the first download mode screen and then the screen goes blank and brings up 15 system partitions on my pc with only one partition containing a folder called image with a bunch of files. The phone is detectable through adb and as a storage device on my pc while booted into cm and while in fastboot mode the phone shows up as marshal london device- marshal london bootloader interface in device manager with no storage.
I planned on going to cloudyg2 but now I'm thinking about just going back to stock, would I be able to use the lg flash tool to get back to stock? Or possibly use adb recover to stock or use adb sideload to flash the default lg rom?
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I have the same problem. Any solution found?
stormrider2230 said:
I have the same problem. Any solution found?
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if you can enter download mode. press vol up and connect usb.. then just go back to stock.. or see if srk tools would help..

Twrp for mm6.0.1 with unlocked bootloader

I have unlocked bootloader, running debolted stock rooted MM 6.0.1 rom. Right now I am on stock recovery, I want to install TWRP. Please guide me.
Download TWRP just Google it I think the most recent version is 3.0.2.2
then once you get the tar file install it via odin in the ap or pda slot
your phone has to be in download mode to use odin
Once your phone reboots turn it off or pull battery whichever works then boot into recovery mode there you should see twrp

[SOLVED]"No Command" error in recovery mode after flashing TWRP via ADB

What i did stepwise -
1. Unlocked bootloader of my g5 plus
2. Flashed twrp-3.2.3-1-potter.img via adb
3. Booted to TWRP
4. Wiped to decrypt phone
5*. Booted to system to enable usb debugging, enabled it . Transfered magisk , arrow 9.0 rom , gapps to my internal storage of phone
6. Open bootloader , selected recovery mode and got nothing except error "No Command"
So i cannot flashed anything what i wanted to
What and Where i made the mistake ?
How can i get TWRP back?
Thanks all in advance
Solution
1. Flashed magisk17.1 and lazyflasher
2. Updated magisk manager and got root
3. Installed official TWRP app , granted root and downloaded same TWRP.img from which i decrypted the phone.
4. Flashed twrp fom the official twrp app.
5. No irritating No Command error again
The no command screen is that of the stock recovery (that's a normal screen). From your steps, it seems like you booted to system in step 5 rather than back to recovery. It seems that after flashing TWRP, you may have to boot to recovery to fix TWRP as your recovery (else the stock recovery overwrites TWRP). Afterwards, you should be able to boot as normal with TWRP still present.
Easiest way to recover would be to repeat step 2 and 3. Then reboot to recovery in TWRP and that should retain TWRP. Back up your existing system, then flash the ROM, GApps and magisk as desired.
echo92 said:
The no command screen is that of the stock recovery (that's a normal screen). From your steps, it seems like you booted to system in step 5 rather than back to recovery. It seems that after flashing TWRP, you may have to boot to recovery to fix TWRP as your recovery (else the stock recovery overwrites TWRP). Afterwards, you should be able to boot as normal with TWRP still present.
Easiest way to recover would be to repeat step 2 and 3. Then reboot to recovery in TWRP and that should retain TWRP. Back up your existing system, then flash the ROM, GApps and magisk as desired.
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Thanks for your answer sir , but it didn't work
What I did again
1.I flashed same twrp from adb
2. Booted to recovery , but this time TWRP didn't asked password and I could see internal storage in twrp but not on my PC
3*.However I took the whole backup of stock nougat and cross check from restore option as there was backup in TWRP folder. I wanted copy that backup to my PC . But PC cannot detect my phone while in recovery
4. So booted to system and my PC detected my phone but there was no backup in TWRP folder.( But around 6gb(backup) of storage was used but I couldn't see it)
5.Again booted to recovery mode but "No Command" showed again .
I tried several times but I keep losing TWRP and couldn't see the backup which I make
Same problem. Resolved by flashing alternately several times twrp-3.2.1-0-potter.img and twrp-3.2.1-1-potter_persist.img and finally updated twrp-3.2.3-1-potter.img
It's because of dm-verity. You have to flash something like magisk or a custom kernel that disables it *before* you reboot into stock.
NZedPred said:
It's because of dm-verity. You have to flash something like magisk or a custom kernel that disables it *before* you reboot into stock.
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I flashed magisk 17.1 and lazyflasher ,i got magisk and root but cannot install modules may be becoz of f2fs bug . By the way i lost twrp after booting to system again and No command still present in recovery mode . I am frustrated Moto software is just pain in head :silly:

[guide] d855 stuck lg logo, only fastboot mode usable

Ok guys i recently flash a stock kdz file using lg up and i'm not sure what happen and my device is like a brick, lg logo, no notification light, won't boot into os, power menu+down will get into factory reset but after reset the same exact thing and before i forgot to mention, it won't boot into download mode either, what it does it leave it for i don't know 10 20 minutes it will go into fastboot mode and i search in google i saw few post and videos and here's a list of videos or post that i've visited
1: https://www.youtube.com/watch?v=dmCC3Md8YVM
2: https://www.youtube.com/watch?v=uoWUPnat5GQ
3: https://forum.xda-developers.com/showthread.php?t=2582142
and i was like hey they booted into fastboot, why not trying flash recovery, so i grab the latest twrp for d855 and run fastboot flash recovery, oops failed so i go with fastboot boot twrp.img instead and surprise surprise it booted into twrp so i wipe my system partition and my pc recognize the storage again so i copy twrp into storage and flash it using twrp and i restart into twrp and i decided to flash a custom rom i picked pixel experience and i flash it after that i reboot system and nothing happens just the lg logo again and no download mode too, this time i can get into twrp, i suddenly thinking, wait a second if system partition fked up, how bout the boot.img, so i download a ramdom d855 tot(HKG) variant and i extracted it using 7zip and i saw one interesting file:boot.img so i copy it to twrp and flash it and boom now i can get into download mode and flash my stock rom once again, hope this will help you out.

Recovery Mode Lost and Magisk

Trying to root the rom in link with magisk(because supersu didn't work) and getting this error, I flashed boot.img from the rom zip as per the instructions but my recovery mode is totally gone. Download mode works but I cannot flash TWRP back in as it either fails or gets stuck in "<ID:0/005> SetupConnection.." phase in odin. Do I need to start everything from scratch or is the rom and phone still salvageable ?
Edit: Download mode seems to be screwed too and Smart Switch refuse to see the phone.
sure you have Exynos model?

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