LG G6 H870 (H87011i ?) error 0x81000302 - LG G6 Questions and Answers

Hi,
my lg g6 went into bootloop after an update.
I tried factory reset (via vol- + power), not working.
After that I tried to flash it (I have access to fastboot and download mode).
LGUP (with and without uppercut) tells me error 0x81000302 Please use latest DLL LAF protection... (LGUP_common.dll ver. 1.0.28)
Tried this: https://forum.xda-developers.com/lg-g5/how-to/bring-lg-g5-to-life-download-mode-lgup-t3565508
But the error was the same.
After switching DLL to 1.0.35 error was: Unsecure flashing image.
Tried roms:
H87020a
H87030a
H87011i
H87010f
H807k11i
How can I make it work again? I don't care about data on the device. Warranty expired long time ago.

Here are the steps that worked for me:
1. Unlock bootloader via LGE developer site
2. Flash TWRP -> install OrangeFox - .img file
3. With OrangeFox install any working OS (Aquaris OS worked for me, LineageOS 15.1 was unstable, H87030A POC was casuing bootloop) - MUST BE ZIPPED (!)
4. With OrangeFox instal GApps (any ARM64 on Android 9) - .zip file
Flashing Android by LG software failed in 3 methods: LG Bridge, LG Flash tool and LGUP too.

I am facing the same problem.
Following.

I am facing the same problem plz help

Related

ls980 lg G2 , Stock recovery , broken download mode, no rom

I have a new and unique problem with my set Ls980 (LG G2). I dig down all xda and other forums from last week. But no use till now. So i need some good help from experts . Ok here is the situation . I have Lg g2 ls980 (sprint) i rooted it to flash some LP custom rom in it. i installed RECURRECTION REMIX LOLLIPOP ROM in it successfully along with it's gapps. After reboot i got my phone in boot loop. now the current situation is that
1- I have nothing on my phone everything wiped out. no rom backup or anything else on my phone memory.
2- I have stock recovery (pictures attached).
3- I have broken download mode. ( so i can't attach my phone to lg flash tool) picture attached.
4- I am stuck on boot loop with cm11 M5 ( last rom installed using adb sideload option from stock rom)
5- No fastboot mode.
Please guide me to recover my soft bricked phone.
Did you try Tot method? What happens when you plug your phone to pc? Does adb recognize your device?
ceza1380 said:
Did you try Tot method? What happens when you plug your phone to pc? Does adb recognize your device?
Click to expand...
Click to collapse
How can i try tot method without going to download mode ? as i said phone only have stock recovery , Yes there is an option in stock recovery "Apply update from ADB" by selecting that i can run adb sideload commands. And i can flash any zip rom from that option . I tried several rom's using this option but installation aborted in middle .
Does device manager in Windows recognize your device? In Tot method you do port settings to flash kdz. Also you can give it a try for LG pc suite.

[SOLVED] [Q] [HELP] Stuck in Download MODE

My LG G2 d802 is stuck in the download mode and has no recovery. It happened when i flashed Miui 6 by gtbluesky after full wipe of data and system. Previously it was on cloudy 3.2 . After flashing the miui it wont boot and is in a bootloop on mi bootscreen. I tried but cannot boot into recovery seems like it doesnt have a recovery.
However, I can boot into download mode but it is not recognised in ADB nor Lg flash tool. I tried flashing kdz with the lg flash tool but it wont detect the device. I tried installing various drivers to the pc and also tried two different pc with windows 7. However, adb wont detect the device.
Regarding the drivers, the windows installs all the drivers but fails to install the LGE Androidnet usb modem drivers. If i manually try to install it from the lg drivers, it would keep installing and returns an error of timeout period expired.
So, i am stuck in the download mode with a bricked device.
If Someone could help me with this problem, i'll be much obliged. Thanks
SOLVED
[SOLVED] I downloaded the .tot file for my phone and extracted .dll from one of the .kdz & flashed it using the lg flash tool . It flashed good and now my g2 is up and running. :good:

My phone seems to be bricked. Can't get it back to stock.

I've been reading for hours now. My phone seems to be bricked.
The last thing I did was flash the Ultra POP [ZVG] ROM. I had ZVG, Lollipop on my LS980.
I'm following This guide but I get an error that my model is not the same as the ZVE TOT file I have downloaded. I used the supposedly Universal .dll file in case there's a mismatch but no dice. Again, I have an LS980 and according to the log...well here's the log
HTML:
[CODE][17: 5: 9] 1. [B]Model Name : LG-L01F[/B]
[17: 5: 9] 2. SWV : Agimax_UltraPOPV1.2_04
[17: 5: 9] 3. SWOV : Agimax_UltraPOPV1.2_04[/CODE]
I can get into fastboot mode and download mode. That's about it.
I'm in Android System Recovery.
I tried installing ROMS and custom recoveries using ADB sideload but I keep getting errors.
Thank you for your help in advance.
Is the phone recognized in the LG Mobile Support Tool? If it is, try and upgrade recovery.

Problem with Boot (D802)

I was using my phone with LineageOS 14 with TWRP 3.0.0.10. I wanted to try LineageOS 17.1. That's where story started.
LOS documentation says that phone needs to be rooted and it needs to have LOS recovery. I've installed Root Checker and saw that my phone isn't rooted. I followed this guide to root my phone. It didn't succeed after many tries (After first boot, script haven't recognized my phone). After this failure I checked my root status in download mode. It said ROOTED. Then I continued with LOS documentation, I run `adb shell` then run `su`. Shell gave me `su: unknown command` response. I've searched how to root using TWRP and most of the articles mentioned that flashing SuperSU zip should solve the problem. Then I tried this method. Sadly, it didn't solve root problem.
Now, device is giving `Secure booting error` above LG logo during boot. I can't pass this screen, it is stuck at LG logo. Online articles are mentioning that I should flash regular old LG KDZ to have my phone back. I have tried 4 versions of LG Flash Tool and LG UP with no luck, they didn't work. I still have access to TWRP and download mode. How can I solve this problem?
For future reference, this is how i solved my problem
I have flashed the phone with TOT using this guide
Installed attached LG drivers
Installed attached LG Flash Tool 1.8 for TOT
Copy&pasted attached Megalock.dll file into LG Flash Tool
Downloaded TOT files from here and followed the guide
after this process, phone booted correctly into Android 4. in order to upgrade to Lollipop
I have used attached LG FlashTool 2.0
Then specified regular KDZ file for lollipop found here. I've used Normal flash method as CSE Flash method didn't work at all.
After this process, phone rebooted into Android 5. Then I followed this guide to root the phone. While rooting in download mode, i've replug the device in order for OneClickRoot program to recognize my device.
Phone rebooted itself. I've checked root status and it was successful. Then I followed steps in LOS documentation.
These steps solved my problem and I'm using Android 10 on my 7.5 year old Android phone!!

LG G6 - TWRP loop

Hello! Sorry for my bad language, but English is not my native language.
I have a LG G6 H870 EU. A year ago I unlocked the bootloader, installed TWRP and a custom rom.
Everything worked, but I bought a newer phone. Now I need LG G6 with original firmware (and stock camera app). I found the stock software on XDA for TWRP. I installed them. The phone booted up properly, Android requested data formatting. When I agreed, my phone got stuck in the TWRP loop.
Now I install various software, custom and stock - only TWRP starts every time. I tried LG UP but at 9% it shows "USB Connection established" error. I've tried various DLLs, but on others the program doesn't start at all. Maybe I have the wrong DLL? I've tried UPPERCUT too.
Please help, thank you.
Hi. I have a similar problem on my LG G6. After selecting reboot from TWRP, the message "No OS Installed!" shows. After reboot I get into TWRP again.
Using LGUP CMD (command line) I was finally able to flash the phone and get it working.
See:
How to use LGUP (Command Line) to flash LG phones
This guide will explain how to use LGUP (Command Line version) to flash firmware (in .kdz or .tot format) to an LG Android device. RequirementsDownload and install LG drivers Download the firmware for
www.hovatek.com
LGUP CMD / Dev / Lab / Store Tool Versions
Below is a collection of different versions of LGUP CMD / Dev / Lab / Store tools. They are Windows tools for flashing .kdz & .tot files / firmware to an LG Android device Download LGUP CMD / Dev / La
www.hovatek.com
LGUP_common dll versions
Below is a collection of different versions of LGUP_common.dll. They are files necessary for getting LGUP to properly detect an LG phone in download mode. Download LGUP common dll LGUP common dllLGUP_
www.hovatek.com
It might work for you. It is worth a try. Good luck.
worldoflimak said:
Hello! Sorry for my bad language, but English is not my native language.
I have a LG G6 H870 EU. A year ago I unlocked the bootloader, installed TWRP and a custom rom.
Everything worked, but I bought a newer phone. Now I need LG G6 with original firmware (and stock camera app). I found the stock software on XDA for TWRP. I installed them. The phone booted up properly, Android requested data formatting. When I agreed, my phone got stuck in the TWRP loop.
Now I install various software, custom and stock - only TWRP starts every time. I tried LG UP but at 9% it shows "USB Connection established" error. I've tried various DLLs, but on others the program doesn't start at all. Maybe I have the wrong DLL? I've tried UPPERCUT too.
Please help, thank you.
Click to expand...
Click to collapse
Sorry for the post hijack, just curious. How did you manage to unlock your bootloader a year ago. I thought LG stopped providing the unlock.bin's like, 5 years ago?

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