LG G4 T-Mobile is on fire, the LG is going has released the latest firmware of Android 6.0 Marshmallow for their famous G4 and the xda developer MicroMod777 has port for LG G811 T-Mobile based on LG G4 D815 as flash-able Firmware via recovery TWPR. We are going to share with you the link to download and flash it via TWRP Recovery on G4 T-Mobiles. Users interested can use these steps to Update LG G4 D811 T-Mobile to Android 6.0 Marshmallow ROM.

Users can easily install this converted flash-able zip file via TWRP recovery to Update LG G4 D811 T-Mobile to Android 6.0 Marshmallow. However, the ROM has some minor bugs and its expected that there would be not major bugs. If you have LG G4 T-Mobile and willing to flash this ROM. Then use the underneath guide step by step to Update LG G4 D811 T-Mobile to Android 6.0 Marshmallow.

Preps| Required:

Backup of the existing ROM and important on the device is advised on the safe hand.
Check and ensure the sufficiently charged battery of LG G4, before proceedings.
Install USB driver for LG in your PC. [Download Page].
LG G4 should have TWRP 2.8.7 custom recovery. [Install here].

Download ROM:

Download LG G4 T-Mobile Flash-able .zip ROM files from here. |Download here|.

YOU can also use this full thread to update LG G4 D811 T-Mobile [by xda member autoprime]

Steps to Update LG G4 D811 T-Mobile to Android 6.0 Marshmallow.

Download ROM file for G4 from the link and then transfer it to the G4 internal storage Root folder.
Turn G4 Off and then enter into recovery mode.
Now on recovery main menu, do wipe task. Choose ‘Wipe data/ Factory reset. Confirm and proceed.
Come back to recovery main menu. > select “install’. > ‘install zip from SD-card’.
Browse and select ‘ROM .zip’ file from SD card and then swipe at bottom to confirm flash.
Now on recovery main menu, tap “Advance’. > Then ‘Wipe Dalvik /cache’, do confirm by a swipe on screen bottom.
Comeback to recovery and tap ‘Reboot’ to boot G4 normally running Marshmallow ROM. Be patient at first boot.