Update LG G3 on Official Lineage OS Android 7.1.1 Nougat Custom ROM

Lineage team has released the official Lineage OS Android 7.1.1 Nougat ROM for LG G3 devices. The official Lineage OS Android 7.1.1 Nougat is now available for all the variants of LG G3. Lineage OS is based on the Android Open Source Project with extra contributions from the Android community. This latest custom firmware is very light, stable, smooth as well as very fast and secure. This is not officially announced by LG or Google but just a custom ROM. Installing an official Lineage OS custom ROM required the bootloader to be unlocked on the LG G3 phone and the latest custom recovery like TWRP or CWM (Clockwork Mod) should be already installed on it.

By following this step by step guide, you can install official Lineage OS Android 7.1.1 Nougat ROM on your LG G3. After installing this custom ROM, you’ll be able to customise and optimising everything, install custom kernels and you can perform many other tweaking procedures, etc. Many users have tested it and found it free of lags, bugs, force close errors, screen freeze or any other software related problems, everything is working without issues. Before proceeding, don’t forget to take a full backup of all your valuable data. If you are interested in updating your LG G3 to official Lineage, OS Android 7.1.1 Nougat custom ROM then go ahead and follow the given steps.

Install Lineage OS Android 7.1.1 Nougat for LG G3


This guide containing the Android 7.1.1 Nougat official Lineage OS ROM and instructions are working with LG G3 (Model D855) only. Do not try to install this beta firmware on any other device or incorrect variant. Check the model number of your device first.


AndroidBlog.gs will not be responsible for any damage occurred to your LG G3 D855 during or after the installation of Lineage OS official custom build. Proceed at your risk.


  • Create a proper backup of all your important data and settings before proceeding to the installation guide using a recommended custom recovery like TWRP or CWM.
  • Download and install LG G3 D855 USB Drivers on the PC.
  • Enable USB Debugging on the LG G3 on the PC by navigating to Settings > Developer Options >check USB Debugging option.
  • The LG G3 should be rooted with the latest version of custom recovery installed.
  • The bootloader of your G3 should be unlocked.
  • Check the battery level of your device; it should be charged at least about 80% to prevent unexpected shutdowns while installing the Lineage OS beta firmware.

Required Files:

How to Install Android 7.1.1 Nougat on LG G3 D855 via Official Lineage OS ROM:

Step No 1: – First, download the Android 7.1.1 Nougat Lineage OS official build and Google Apps on the desktop of your PC.

Step No 2: – Connect your LG G3 to the PC via its USB data cable.

Step No 3: – Transfer the downloaded firmware and Gapps .zip files to the root folder of the SD card of your phone.

Step No 4: – Disconnect the G3 from the PC and turn it OFF to boot into Recovery Mode.

Step No 5: – Turn ON the LG G3 while pressing and holding Volume Down + Power keys at the same time for a while until the LG logo appears, then release the buttons then press them again. Again press Power key three times to boot into recovery mode.

Step No 6: – While your device is now in TWRP recovery, create a Nandroid backup.

  • Select Backup
  • Do a swipe on the Swipe to Back Up option.

Step No 7: – Next, perform a full wipe including Dalvik Cache, Cache, System and Factory Data Reset.

Step No 8: – Once done, go back to the main menu of Recovery and select Install.

9: – Navigate to the official Lineage OS ROM .zip file that you’ve already transferred to the root folder of the SD card. Select it and swipe the Swipe to Confirm Flash option to begin the installation process.

Step No 10: – Go back to the main recovery menu and select Reboot > System after the installation is completed.

Step No 11: – Now, install Google Apps on your LG G3 by repeating the above steps.

Step No 12: – Reboot the LG G3.

LG G3 may take about 4 to 5 minutes while booting up for the first time after installation. So please be patient.

That’s All! You’ve successfully installed Android 7.1.1 Nougat Lineage OS official custom ROM on your LG G3.


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