[Help] Unable to flash KDZ into soft bricked D855 - G3 Q&A, Help & Troubleshooting

Hello! I am having issues flashing KDZs into my soft bricked G3 via Flashtool 2014 and LGUP. When flashing using Flashtool 2014, an error "connection to server failed" is shown and did not flash the image into my G3. When using LGUP, it only recognize my G3 as "unknown" and does not allow me to select my phone as I need to "select a known model". Could anyone help with this issue? The firmware I am flashing is V21A_00 and only have access to download mode. Thanks in advance.

Solution to LGUP LG G3 unknown
While an old thread, it'll be found in searches. For anybody who gets "UNKNOWN" device with LGUP for the LG G3, I found that LGUP for the G3 is often distributed with the wrong DLL file. See the details here, post #11.
HTH

Related

LG G3 Fastboot Mode Started Error

Hello,
Not new to flashing roms but, was recently running CloudyG3 2.5 Rom on my lg g3 D852 and wanted to switch to the kitkat version G3 1.2 during the installation I accidentally clicked on another version other than D852. Now the phone is stuck at Fastboot Mode Started.
I am unable to get into the recovery but, can access download mode. Currently there is no .kdz file for my carrier but only a .tot file. Using the LG FlashTool and the given proper .tot and .dll I tried flashing my phone and recieve the following error.
"Device Model Different"
Can anyone help me?
(XDA wont allow me to post links to the error from LG Flash Tool because I have under 10 posts)
KDZ's for Canadian variants are here?
http://lg-phone-firmware.com/firmware-Lg+G3-Tutti-41.html

Trying to flash stock ROM using LG FlashTool, require D855K dll file.

I bricked my phone using CM13 and have followed this guide (open-freax.fr/guide-unbrick-your-lg-g3) . I'm at the point where I need to use LG FlashTool to flash the stock ROM. I always use D855 ROMs but this time LG FlashTool is giving me the error: Device Model is different! Check Phone or DLL! I bought my phone from Australia and my phone's model is D855K, although D855 ROMs have always worked on my phone in the past. If anyone knows where I can get the D855K dll, or perhaps a different method of returning to stock. I can access Download Mode if that helps.
SneakkyStevo said:
I bricked my phone using CM13 and have followed this guide (open-freax.fr/guide-unbrick-your-lg-g3) . I'm at the point where I need to use LG FlashTool to flash the stock ROM. I always use D855 ROMs but this time LG FlashTool is giving me the error: Device Model is different! Check Phone or DLL! I bought my phone from Australia and my phone's model is D855K, although D855 ROMs have always worked on my phone in the past. If anyone knows where I can get the D855K dll, or perhaps a different method of returning to stock. I can access Download Mode if that helps.
Click to expand...
Click to collapse
For stock rom you need to download the one for D855K otherwise it won't work
SneakkyStevo said:
I bricked my phone using CM13 and have followed this guide (open-freax.fr/guide-unbrick-your-lg-g3) . I'm at the point where I need to use LG FlashTool to flash the stock ROM. I always use D855 ROMs but this time LG FlashTool is giving me the error: Device Model is different! Check Phone or DLL! I bought my phone from Australia and my phone's model is D855K, although D855 ROMs have always worked on my phone in the past. If anyone knows where I can get the D855K dll, or perhaps a different method of returning to stock. I can access Download Mode if that helps.
Click to expand...
Click to collapse
check here: http://lg-phone-firmware.com/firmware-Lg+G3-Tutti-41.html
Just follow your link at your post.
You can used tot & dll file from D855 and extract them on boardiag. And flashing aboot, primaryGT, etc on boarddiag using file extractor d855 tot.
But, after finished, after you see "download mode", just flash your d855K kdz, or d855 kdz using flashtools 2014.
This might help you my friend.
Sent from my LG-D855 using Tapatalk

Lg G4 H815T Upgrade Problem

i have lg g4 h815t version on android 5.1, i want to update to 6.0 but when i try to upgrade on lg bridge, the error occurs at 9%. I tried to update with lg flash tool and lg up also, either way didn't work out. The same problem at 9%. The error on lg up was "error code 0x2000 can't decide current device mode". I tried different kdz files but i couln't update. Is there anyone do that successfully? the software version is H81510u.
which kdz version have tried
ahmeterol21 said:
i have lg g4 h815t version on android 5.1, i want to update to 6.0 but when i try to upgrade on lg bridge, the error occurs at 9%. I tried to update with lg flash tool and lg up also, either way didn't work out. The same problem at 9%. The error on lg up was "error code 0x2000 can't decide current device mode". I tried different kdz files but i couln't update. Is there anyone do that successfully? the software version is H81510u.
Click to expand...
Click to collapse
use LGUP program search for it and download KDZ file to flash it with LGUP.

Lg g3 d852 bricked help me plz

LGUP not working it says you have to select a known model please and lg flash tool says failed previous load() help me I can't find a fix my model is lg g3 d852 and my phone is bricked any way to install twrp so I can flash firmware via twrp because those flash tool doesn't work plz help me
If you can acess download mode, you can use the two methods in the thread below.
[Guide] LG G3 Stock Firmware (Go Back to Stock) KDZ & TOT Method
http://forum.xda-developers.com/showthread.php?t=2785089
Install these drivers before you do anything
http://www.lg.com/us/support/software-firmware
I wish you the best.

Rent A Center lock on LG G4

Okay, so I have had my LG G4 since 2016, I bought the LG G4 and a Samsung Note 5 off a guy who was selling them on Facebook. Both phones were locked by Rent A Center about a month after. Well I was able to get the Rent A Center lock off of the Note 5 fairly easy, but I wasn't able to find any guidance on how to get the lock off of the G4. Recently I stumbled across a few threads on here that showed some steps on how to use LGUP with Uppercut and some kind of B10 D file to bypass the RAC lock permanently. I followed the links, installed LGUP and Uppercut, but my device shows up as unknown on LGUP. When I extract the Uppercut file, it does nothing. It doesn't fix the "unknown" issue with LGUP. I followed another thread that was supposed to fix the LGUP unknown device issue. It had me use the LG Flashtool and download a KDZ file. I am supposed to use the LG firmware extract on the KDZ file, but it says the KDZ isn't a KDZ or TOT file, so I cant use it. Also, on the LG Flashtool, I dont have a megalock.dll file and can't seem to find one. Can someone please give me some direction on any of this? Also, this is an H810 model for AT&T. Basically I just need to know how to get LGUP to recognize my device so I can get the RAC lock off of it.

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