Tuesday, May 10, 2016

How to Update Manually AT&T LG G4 H810 to Official Marshmallow H81020n OTA .

AT&T finally started rolling out Android Marshmallow 6.0 OTA Update for LG G4 H810.The Software Version is H81020n.Thanks to rmrf from Reddit, now we have the ota update file.You can download the OTA update file from the download section.After downloading the OTA Firmware, you can simply flash it using ADB & Fastboot commands.

Now follow the guide to Download & Install Official Android 6.0 Marshmallow H81020n OTA Update On AT&T LG G4.

View my Flipboard Magazine.

 ÷ Prerequisites:

This tutorial is only for installing  Official Marshmallow H81020n OTA on AT&T LG G4 H810 . Please do not try on any other LG G4 variants.

•Make sure you backup all your data in your phone before proceeding.


Android Custom ROM fix ® provide various Firmware Updates and Rooting process along with Custom ROM,Modes,file are all belong  to their owners/developers. The autor of this site or the developers are not responsible,  if you damage or brick your device.Do it on your own risk and follow the instruction properly.

* Important:

Backup important files stored on your device before proceeding with the steps below, so that in case something goes wrong you’ll have backup of all your important files.

÷ How to Update Manually AT&T LG G4 H810 to Official Marshmallow H81020n OTA :

Before you started this steps , its important that you have on 10o Version if you are on 10i or other , y recommend you flash 10o first ,Guide Here

1. Download the Android 6.0 MM OTA file, Thanks to Shinji257 .

2.Unzip the file, and you get a dlpkgfile file rename it to 20N.up

3.Copy 20N.up file to /sdcard/SoftwareUpdate/ path on internal memory phone not external SD card (if folder doesn't exist, just create it)

4. Connected the phone with USB Debugging Activated , open a new CMD window and run

adb devices
check if you device appear listed

Run this:
adb shell

4.Run this command in adb shell:
am start -n com.lge.lgfota.permission/com.lge.lgfota.permission.DmcEzUpdateStart

Update should now start.

That’s it! Your AT&T LG G4 H810  should now have Official Marshmallow H81020n OTA  on your phone! Go to Settings > About phone to verify.

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