Install Android 5.1.1 Lollipop on LG Optimus G Pro E980 with CyanogenMod 12.1 ‘Nightly’ ROM


Install Android 5.1.1 Lollipop on LG Optimus G Pro E980 with CyanogenMod 12.1 Nightly custom ROM. LG Optimus G Pro E980 is a powerful device with decent specification and can easily manged to run latest firmware, LG Optimus G Pro has received Android 4.4.2 KitKat as last stock update from LG till now no update has been released yet. The device carrier powerful hardware components including, 1.7 GHz quad core processor along 2 GB of RAM on board and 16/32 GB expendable storage.

Users are finding ways to update their device either by official firmware or AOSP custom ROMs. Luckily you can now update your LG Optimus G Pro E980 to android 5.1.1 lollipop via CM12.1 nightly ROM, it will be a major update for the LG Optimus G Pro users from Android KitKat to Android lollipop. Overall the CM12.1 ROM is smooth and major features are working fine but as it’s a Nightly build so you may experience some bugs but don’t hesitate just go ahead and flash the Android 5.1.1 Lollipop firmware with CM12.1 Nightly ROM on your device.

The CyanogenMod ROMs has a built in software update support via OTA system for future updates. Below we have mentioned the complete procedure along tools needed to flash the Custom ROM on your device. You can also follow our previous post on the flashing CM12.1 updates on several devices, in this guide we are using the same method which we already used for other devices.

How to install Android 5.1.1 Lollipop on LG Optimus G Pro E980 with CyanogenMod 12.1 ‘Nightly’ ROM

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 CWM or TWRP recovery installed.

Download Android 5.1.1 Lollipop build specified for your LG Optimus G Pro E980 from the below provided links

Download (243.82 MB)

Download Android 5.1.1 Lollipop Gapps

Process to install Android 5.1.1 Lollipop with CM12.1 ‘Nightly’ ROM on LG Optimus G Pro E980

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

Once your device enters into CWM 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 CM12.1 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 done with the above step, now apply the same process with the installation of Android 5.1.1 Lollipop Gapps.

Wait for the installation process to complete. The first boot up may take 5-7 minutes.

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

You can also: Download and install Android 6.0 Marshmallow Google Now Launcher

That’s it! You have successfully installed Android 5.1.1 Lollipop via CM12.1 Nightly release on your LG Optimus G Pro E980, experience the latest features of Android 5.1.1 Lollipop via CM12.1 custom 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.

  1. Reply
    ramyar November 24, 2015 at 10:53 am

    I use this ROM but I lost my root I want the root. My phone was e988 and now it is e980 I want cm12 e980 root

    • Reply
      Alee November 25, 2015 at 9:09 am

      CM12.1 Nightly ROM has already an active root access

  2. Reply
    Angel December 4, 2015 at 1:25 am

    Does this version of Cyanogenmod supports the SD card slot on the e980? I’ve heard that some versions of cyanogenmod have trouble recognizing the sd card slot

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