Android 7.1.2 Nougat based LineageOS 14.1 custom firmware for LG G3 is now available for download. With the help of LineageOS 14.1 ROM, you can update your LG G3 to a well customized Android 7.1.2 Nougat. This may not be the only way to update your device to Android 7.1.2 Nougat but surely a good option to try out. Since this build is still going through development, you should expect bugs and force close here and there but overall it should offer you a smooth experience. If you willing to upgrade your LG G3 using LineageOS 14.1 custom ROM then continue reading this guide to learn easy installation steps. LineageOS 14.1 is available for many variant of LG G3 including AT&T, T-Mobile, Sprint, Canada, Korea and Unlocked.

LG G3 was the flagship phone by LG in 2014. The smartphone comes with a 5.5 inches True HD-IPS LCD capacitive touchscreen display with a screen resolution of 1440 x 2560 pixels. The display comes with Corning Gorilla Glass 3 protection. To power the device it has a Qualcomm Snapdragon 801 Quad-core SoC as well as 2GB/3GB of RAM. The phone available with 16GB and 32GB internal memory. LG G3 features 13MP rear camera and 2.1MP front shooting camera. The smartphone packed with a non-removable Li-Ion 3000 mAh battery and running on Android 4.4.2 KitKat out of the box. It can be upgraded to Android 6.0 Marshmallow officially.

Since the phone officially upgradable to Android 5.0.2 Lollipop, custom firmware is the only way now to enjoy latest version of Android.

Android 7.1.2 Nougat comes with various useful features including multi-window multitasking, better notification management, faster device with better battery optimization, more human emoji, improved security, instant app and much more. Top of all LineageOS custom ROM comes with various additional features that surely improve your using experience.

Update LG G3 (All Model) To Android 7.1.2 Nougat With Official LineageOS 14.1


This tutorial is only for LG G3. Don’t try this guide on any other Android device. Also, we (True Android Team) are not responsible for any damage caused due to the instruction, given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.

Pre Requisites:

1. Backup your device data. You can follow our ultimate backup guide.

2. Make sure your device have at least 60% battery power. You can install an app like Battery Notifier BT Free on your Android device to check it easily.

3. You already have USB Driver Installed for LG G3 in your PC. [Download USB Drivers]

4. Make sure USB Debugging is enabled otherwise you won’t able to transfer file between PC and LG G3. [Guide].

5. Your device have latest TWRP recovery 3.x or higher installed. [Guide]

If you did everything that we mentioned above then you are ready to follow step-by-step guide on how to install Android 7.1.2 Nougat based LineageOS 14.1 ROM on LG G3.

File Required(Download by clicking on it)

  1. LineageOS 14.1 ROM For LG G3 (AT&T) [Filename:]
  2. LineageOS 14.1 ROM For LG G3 (T-Mobile) [Filename:]
  3. LineageOS 14.1 ROM For LG G3 (Sprint) [Filename:]
  4. LineageOS 14.1 ROM For LG G3 (Canada) [Filename:]
  5. LineageOS 14.1 ROM For LG G3 (Unlocked) [Filename:]
  6. LineageOS 14.1 ROM For LG G3 (Korea) [Filename:]
  7. Google Apps [Filename:] or any other Android 7.1.2 Nougat GApps

How to Install Android 7.1.2 Nougat based LineageOS 14.1 ROM on LG G3

  1. Connect your device to PC using the USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
  2. Disconnect USB and then turn off your LG G3.
  3. Now, boot into recovery mode. To do so, press and hold Volume Down & Power simultaneously. Release all buttons and press Power again as soon as the LG logo appears. You should see the recovery menu soon. Alternatively try this: Recovery Mode without Key Combination.
  4. Create a Backup using TWRP Backup Option.
  5. Perform a Factory Reset (this will delete all apps and their settings and game progress). To do this, Tap on Wipe, then at the bottom of the screen do a Swipe on the ‘Swipe to factory reset‘ option.
  6. Now its time to add zip file for flashing. Tap on Install, then browse to the location where you saved the files and tap on the LineageOS 14.1 Zip file. Then tap on Add More Zips, and add Now at the bottom of the screen, do a swipe on the Swipe to confirm flash option to begin flashing.
  7. When the installation is completed, go back to the main recovery menu and tap on Reboot and then, tap on System to reboot your LG G3 and boot up into Android 7.1.2 Nougat ROM LineageOS 14.1.
  8. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select Backup then through Restore option, restore your previous ROM by selecting it from the list.

Congrats! Android 7.1.2 Nougat firmware based custom ROM LineageOS 14.1 is now installed and running on your LG G3.


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