Develop Bugs

Try to unbrick G3 (D855) drives my crazy

Hello,
last week I tried to update my LG G3 (D855) to Android 6 using this guide: http://www.zdnet.de/88257075/anleitung_android-6-0-marshmallow-auf-lg-g3-installieren/ (sorry, it's in german but it's just to understand what I did).
I follow all the steps until the phone reboots the first time or better should boot... Nothing was happened, the screen stays black...
I searched for hours and read many web pages how to unbrick my G3 and found several documentations how to archive that, but no way works. I used my Win10Pro x64 first and tried additionally with a Win10x86 in a VirtualBox VM.
I used this drivers: http://forum.xda-developers.com/attachment.php?attachmentid=3261089&stc=1&d=1428980071
My G3 was shown correctly as Qualcomm HS-USB QDloader 9008 (COM#) in DeviceManager and the tool androidbrick_G3_fix from http://www.androidbrick.com/unbrick-recover-your-dead-lg-g3-g2-all-variants/ runs without any error, all steps have the state OK.
BoardDiag3.99c was unable to communicate with my G3: "Device was not found in dload trying flash programmer"
I also found the thread http://forum.xda-developers.com/lg-g3/general/unbrick-lg-g3-qhsusbbulk-qualcomm-9008-t3072091, but it didn't help me to fix my issue.
I tried also different COM ports, but no success...
Any useful tips how to bring my G3 back to life?
Thanks in advance!

This helped me:
http://www.droidviews.com/how-to-restore-verizon-lg-g3-to-stock/

This will not help in my case, because my G3 doesn't boot. The display stay black.

LGE AndroidNet Port Instead Of LGE Mobile USB Port?

I was on a custom rom on my LG G3 D852, and I decided to go back to full stock by flashing the .tot file. I used the tool to flash .tot file, then without rooting and flashing twrp, I upgraded to marshmallow by flashing .kdz file. (I forgot that my twrp recovery was gone) When I was on marshmallow I realized I don't have twrp and root, so I wanted to return to 4.4.2 with the .tot file. The problem is, I couldn't, because the pc doesn't recognize my phone as LGE Mobile USB Serial Port (COM xx) except when my phone is booted up. When I boot into download mode, it changes to LGE AndroidNet USB Serial Port. I read some threads about people hard bricking their phones, and the port changes, but my phone is perfectly fine. It's impossible to do anything at this point, since I am on MM without root and custom recovery. If anyone could help, that would be greatly appreciated. Also, I attached a screenshot from the device manager program. My phone was turned on when the screenshot was taken.

I too have this same problem. Any answers would be nice

Softbricked LG G3 D855 help

Hey, so i have an lg g3 d855, and i read all the treads in this forum, but i can't make it work. I had a g2 before but that phone is completly wasted now, my friend gave me his G3, and it's on bootloop, after the phone frooze for no reason and turned off.
So i literally tried everything i can.
First of all i tried LG flash tool, with the original .tot file and the d855 dll. This one does nothing. After pressing the yellow arrow, and plugging in the phone in download mode, i got a "model information check ERROR".
hxxp://i.imgur.com/XzqYOnl.png
(note: i plugged in a 2.0 port, and i have the original lg driver: LGE ANDROID NET USB SERIAL PORT at com41)
hxxp://i.imgur.com/mTHRWJg.png
After this i tried LG flash tool with the lg g2 dll , i read that in this forum too, and something happened. it started the procedure, the phone is recognise the com41, doing nothing still at 0%, but at 6% (in the computer) it stucked with the error : "we can't communicate with phone [KILO packet]" or with "LAF read GTP failed".
hxxp://i.imgur.com/iA7b5Ht.png
Then i tried the lgup, i got the same error message: "we can't communicate with phone [KILO packet]"
hxxp://i.imgur.com/e3wKbLx.png
And i tried the LG flash tool 2014 with .kdz and it stucked at 4%.
I don't know what else can i do , or what i did wrong, i searched every forum i found but nothing :/ Pleas somebody help me, this is impotant for me.
Also i have a .log file if it can help with troubleshooting.
I included screenshots, but i can't post links because i'm new so use http instead of hxxp.

Szia, pontosan ugyanez a probléma áll fent, azóta sikerült megoldanod? Hogyan?
Same problem here, did you succsessfully fix the problem? How?

LG K10 M250Y Possibly BRICKED! - PLEASE HELP!

Good Day, All I tried Flashing my LG K10 M250Y with the latest firmware but during flashing the cable was loose and one of the pins didn't make contact so it stopped flashing, Now when I try to connect to LG UP it keeps telling me Uknown device, but it sees the device on com9, I am also unable to see the device on ADB or fastboot.
Turning the device on gets you to the Spinning LG circle but it gets stuck there.
I can see the device in my Device Manager LGE AndroidNet USB Serial Port COM9
Any Ideas how to Unbrick this Device, And No I Cannot Flash Via LG UP as it doesn't recognize the device.
Please please, any help would be appreciated.

Does it go into the download/laf mode?

Help me unbrick my LG d722 (G3s)

https://drive.google.com/file/d/1mg8BDBCaoCS_LXE0TBSd5TdKV81YUsCM/view?usp=sharing[/IMG]
Hi guys,
i need some help unbricking my d722.
what went wrong?
I tried to flash twrp with flashify and i ended up in demigodmode.
from there i connected the phone to my computer and like 10 portable drives showed up asking to be formatted. I formatted all except one drive because it was protected from.
After i formatted the drives my phone was dead with only a black screen left.
Since i can't find any .tot firmware files for this model i tried to use the .tot firmware for a g3 in BoardDiag.
but when i want to use the extracted .tot firmware files on my phone it says this:
no response from device, check pmic first and if still boot problem replace ap
i think i have managed to install qualcomm driver and the phone is recognized as a qualcomm when plugged in.
But i did not shortwire the motherboard because i can't find the GND
can anyone please help me fix my phone thank you so much!