Update LG G3 to Android Nougat 7.1 (CM 14.1)

LG G3 is among the smartphones, that doesn’t pretend to get official Android Nougat 7 update from Google, which is planned to be released in 2017 first quarter. And it’s the sad news.
But don’t worry, we also have a good news. Thanks to the latest CyanogenMod 14.1 release LG G3 users can update their devices to Nougat 7.1 custom ROM.
Before updating your device, please note that this is an unofficial Android 7.1 release and should be treated as such. According to developers, all features works as it should.

Warning: This tutorial is only for LG G3 (d855) model.
Update process will erase device internal storage, so it’s strongly recommended to backup your data to device microSD card or PC before starting this tutorial.

Prerequisites:

• The device should have at least 60% charge left on the battery.
• TWRP recovery must be installed. Don’t have it? Follow this tutorial.

Tutorial:

1. Download Nougat 7.1 (CM 14.1) zip file to PC or straight to mobile device.
2. Download Google Apps package to PC or straight to mobile device.
3. Place both files into device microSD card storage.
4. Now boot LG G3 into recovery: Turn off the device, push and hold Power + Volume down buttons at the same time. When LG logo show up, keep holding Volume down button and repeatedly press Power button until TWRP logo appear on the screen.
   
5. Make a current software backup, so you will have a recovery file in case if something goes wrong. Tap on Backup and select all the partitions including System, Data, Boot and Cache. Then swipe to make a backup.
6. After backup is done, go back to main menu and select Wipe, then choose Advanced Wipe and check System, Data, Cache and Dalvik Cache partitions.
7. Swipe and wait for the wiping process to complete.
8. Next, go back to main menu and choose Install, then locate Nougat 7.1 (CM 14.1) zip file. 
9. Tap on it and swipe to begin custom ROM installation process.
10. After installation is done, go back to main menu, choose Install and locate the Google Apps.zip file. Swipe to install it.
11. After process is complete, go back to main menu and tap on Wipe, then choose Advanced Wipe.
12. Check Cache and Dalvik Cache partitions, then swipe to confirm. After wiping is done, go back to main menu ant tap on Reboot to reboot LG G3.
13. First startup can take up to 15 minutes, so be patient.

Congratulations on successfully updating LG G3 to Nougat 7.1 (CM 14.1) custom ROM!