How to Install Official Android 6.0 Marshmallow on LG G4

Few weeks ago, Google released Android 6.0 Marshmallow update on most android device. However, Android 6.0 Marshmallow update is now available for LG G4 smartphone with build number 20A (H815 20A), so all LG G4 users with build number H815 should’ve received the update via OTA or about to.


If you’re impatient, then you can manually port to this update. Just follow the guide below; as I walk you through the process on how to manually install Android 6.0 Marshmallow update on LG G4 with build number H815.

Before you proceed:
1.       Make sure that you’ve taken full backup of your data.
2.       Also make sure that you’ve installed TWRP Recovery on your LG G4. Read guide on how to install TWRP Recovery on LG G4.
3.       Endeavour to apply the below process on only LG G4 device with build number H815.

How to Install Android 6.0 Marshmallow on LG G4

1.       Firstly, download the below zipped files to be installed. Do not extract any of them, simply move all to the internal memory (root drive) of your device
System — Download Link | File name: LG-H81520A-Flashable.System.zip (1.33 GB)
Modem — Download Link | File name: LG-H81520A-Flashable.Modem.zip (39.31 MB)
Boot — Download Link | File name: LG-H81520A-Flashable.Boot.zip (13.08 MB)
Bootloader — Download Link | File name: LG-H81520A-Flashable.Bootloader.zip (35.43 MB)
2.       After that, boot your LG G4 to recovery mode. To boot, simply press and hold Volume Down button + press Power button together, till you get to recovery mode.

3.       Now, perform a full system wipe (Wipe Data/Factory Reset, Wipe Cache Partition and then Wipe Dalvik Cache/ART cache from advanced section).

4.       After that, go back to recovery main menu, select install, locate system file (LG-H81520A-Flashable.System.zip) and install.

5.       After that install the boot file (LG-H81520A-Flashable.Boot.zip) and the remaining two files.

6.       Once you’ve flashed all files, go to recovery menu and reboot your device. Wait for some for few minutes until the first reboot is completed.

7.       That’s it. You’ll begin to experience Android 6.0 Marshmallow on your LG G4 device.

That’s all for how to install Android 6.0 Marshmallow update on LG G4. If you got any question, feel free to let me know via comment section. Stay tuned as I guide you on how to root LG G4 on Android 6.0 Marshmallow.

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How to Install Official Android 6.0 Marshmallow on LG G4
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