HOW TO'S Lineage OS 15

Update LG G3 AT&T to Android Oreo 8.0.0 | Lineage OS 15

Written by Ashish Patel

Update LG G3 AT&T to Android Oreo 8.0.0 via Lineage OS 15

Android Oreo for LG G3:- if you are an LG G3 User then we have a good news for you as an Android Oreo is Available for the LG G3. Now user can install android Oreo on the device. LG G3 user has to install TWRP recovery and gain Root access by flashing the SuperSu or Magisk. in this guide you will be able to learn how to update LG G3 to Android O 8.0.0.


LG G3 Released in May 2014. It has a 5.5-inch True HD-IPS LCD display with Corning Gorilla Glass 3. LG G3 has  3GB of RAM and 32GB of internal Storage. It runs on Android 6.0 Marshmallow and its powered by a 3000mAh non-removable battery. Coming to the optics. The LG G3 has a 13MP camera unit on Rear and For selfie 2.1MP Camera unit in Front. It packs with Qualcomm MSM8974AC Snapdragon 801 processor with Adreno 330 GPU.

So Today We Are sharing How to Update LG G3 AT&T to Android Oreo 8.0.0 via Lineage OS 15.

READ ALSO  How to Root Samsung Galaxy Note 5 ( SM-N920A ) After Android Nougat Update

Lineage OS 15

This ROM is packed with many features and performance improvements. The Lineage brings you all Android Oreo feature on LG G3 AT&T, So you can taste new looks, battery life, Super smooth, No hang, Ram and multitasking manager and much more.


  • This Update is only for LG G3 AT&T.
  • TWRP or CWM recovery is required to flash the ROM.
  • We recommend to take Complete backup.
  • Make sure there is more than 60% to 75% battery on your smartphone.


 Advantages of Custom ROMs

1 You can load the latest Android Versions, Which can make you old phone look new.

2 There are a number of features that can be customized to suit your taste.

3 Custom ROMs increase the speed of Processing and improves battery life.

Disadvantages of Custom ROMs

1 Bricking, This is the main reason why people Don’t like to root their Phones.

2 The company cancels the warranty

3 When you install custom ROM, it will clean up your system and all Data.


Lineage OS 15:- Download

Gapps:- Download

Install Official Android Oreo On LG G3 AT&T Via Linage OS 15.

Step 1:- First of all Download ROM and Open GApps for LG G3 AT&T.

Step 2:- Transfer Lineage Os and Gapps onto your LG G3 AT&T Using your data cable.

READ ALSO  How to Install TWRP Recovery on Nokia 6

Step 3:- Now you have to Boot Your Smartphone in TWRP or CWM recovery mode. ( To Boot in Recovery Mode Press And   Hold Volume Up + Power Button Together.)

Step 4:- Once you are in Recovery Mode Release The Keys.

Lineage OS 15

Step 5:- First of all Tap on Backup and make a backup of the current Installed OS.

How To Download And Install Lineage OS 14.1 on Xiaomi Mi 4C

Step 6:- Tap on a wipe and Wipe Data/Factory Reset.

Step 7:- Tap Install and Choose the Lineage OS 15.Zip file and file.

Lineage OS

Step 8:- Now Swipe to Confirm Flash.

Step 9:- Once the installation completed you will get a notification Flashed Successfully.

Step 10:- Tap on Reboot. Done!!!

You Need to follow the same step, which shows you in the video. The title is different but methods are same.

This was Our Guide On How to Update LG G3 AT&T to Android Oreo 8.0.0 via Lineage OS 15. Let us know your feedback on Android Oreo in the comment section below.

About the author

Ashish Patel

Hey, Guys, It’s Ashish, Founder of Android Jungles. I spend most of my free time creating content for my YouTube channeland this website.
I started my YouTube channel at age 20 and my goal was to teach people what they can do with their gadgets.

Leave a Comment