Install Android 6.0 Marshmallow on AT&T LG Optimus G E970[AOSP]

at&t-lg-optimus-g has brought a tremendous news for the users of AT&T LG Optimus G E970, After Sprint LG Optimus G now you can download and install Android 6.0 Marshmallow via AOSP ROM on your AT&T LG Optimus G E970. This the 4th version of Android 6.0 Marshmallow AOSP ROM hence the ROM is checked and multiple improvements are made in the every upcoming latest version, so just go ahead and install the Android 6.0 Marshmallow AOSP ROM on your AT&T LG Optimus G E970.

Note: The Android 6.0 Marshmallow custom ROM for AT&T LG Optimus G E970 is currently in the testing stages and you may experience some bugs but most of the features are seems to be working fine so just go ahead and install the latest Marshmallow Android 6.0 on your AT&T LG Optimus G E970.

How to install Android 6.0 Marshmallow on AT&T LG Optimus G E970 via AOSP ROM

Before you Begin:

Disclaimer: This tutorial includes multiple operations including Custom Rom, custom recovery etc. Follow the guide on your own risk, we are not responsible if you brick or damage your device however the chances of bricking a device are rare but you have to pay full attention on the complete guide to avoid any issues and difficulties while performing any of the above mentioned operation.


  • Please ensure your phone battery should be charged at minimum 80%
  • Download LG USB drivers
  • Your device should have a working TWRP or download TWRP recovery from here.

Necessary downloads:

Process to install Android 6.0 Marshmallow on AT&T LG Optimus G E970

Connect your device to your PC and copy the both ROM and google apps zip files onto your device storage.

Turn of your device and boot into TWRP custom Recovery menu by the hardware keys combination or using any third party app (Mostly found in Play store).

Once your device enters into TWRP recovery, create a Nandroid backup of your device or follow our guide to create a Nandroid backup (this will create a backup of your complete device including current firmware) if something goes wrong you can restore your previous firmware.

Once the Nandroid process completes, tap on “Wipe” and then swipe the slider from left to right to begin the wipe process (This will reset your device to factory)

Now it’s the time to flash the Marshmallow firmware on your device. Choose install and navigate to the folder in which you have copied the AOSP ROM zip file

Swipe across the slider to confirm install, wait for a few minutes till the file is completely installed in your device.

Once done with the above step, now apply the same process with the installation of gapps.

Wait for the installation process to complete.

Once completed Reboot your device.

If your device is taking longer then 7-10 minutes then follow this guide to to fix this issue

That’s it! Android 6.0 Marshmallow is successfully installed on your AT&T LG Optimus G E970. If you have any query feel free to contact us by posting your queries in the below provided comment section. Follow us on Facebook/Twitter/Google+ for future update.

A Software Engineer who loves to hang around latest gadgets and writes his own experiences to get the best possible and accurate information.

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