Install Android 6.0 Marshmallow on LG Optimus G E975 (Custom ROM)


Android 6.0 Marshmallow for LG Optimus G E975 is now available via AOSP ROM. We are here at to help you install Android 6.0 Marshmallow ROM on your LG Optimus G E975, previously we have posted guides on the LG G3 variants with Android 6.0 Marshmallow via custom ROM. Now in this guide we are using the same tutorial to flash the Google’s latest operating system available till dates on your LG Optimus G E975. The stock firmware release for various devices is still in the waiting list so this is the best opportunity to get the glimpse of latest firmware on your LG Optimus G.

The ROM includes all the features of Stock Android 6.0 Marshmallow but remember it’s not an official release. Overall the Android 6.0 M is smooth and major features are working fine but as it’s an initial build so you may experience some bugs but don’t hesitate just go ahead and flash the Android 6.0 M firmware ROM on your LG Optimus G E975.

How to install Android 6.0 Marshmallow on LG Optimus G E975

Disclaimer: This tutorial includes multiple operations which includes, installing Custom ROMs. 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 and install latest USB drivers

Your device should have a working TWRP or CWM recovery installed in your LG Optimus G E975.

Download Android 6.0 Lollipop build specified for your LG Optimus G E975 from the below provided links

Download Android 6.0 Marshmallow ROM for LG Optimus G E975

Download Google Apps (Gapps)

Process to install Android 6.0 Marshmallow on LG Optimus G E975

Connect your device to your PC using USB cable and transfer the downloaded Android 6.0 M ROM zip along onto your device internal storage.

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

Once your device enters into 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, navigate and select wipe data/factory reset.(this will erase your data)

Now it’s the time to flash the Android 6.0 Marshmallow ROM on your device. Choose “install zip from sdcard” >> choose zip from sdcard & navigate to the folder in which you have copied the custom file and select it.

Select “yes” to confirm install, wait for a few minutes till the file is completely installed in your device.

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! You have successfully installed Android 6.0 Marshmallow on your LG Optimus G E975 and experience the latest features of Android 6.0 Marshmallow ROM on your device. 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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