Download and Install Lineage OS 15 On LG G3 S / G3 Beat | Android 8.0 Oreo

Download and Install Lineage OS 15 On LG G3 S / G3 Beat | Android 8.0 Oreo: Update LG G3 S / G3 Beat To Android 8.0 Oreo Via LineageOS 15.LG has already started testing Android Oreo build for LG G6 and upcoming LG V30.On the other hand, Google has already released the final build of Android 8.0 Oreo for Nexus and Pixel devices.There are many devices which will get the official Android Oreo Update from the manufacturer.Check out the full list here [icon name=”hand-o-right” class=”” unprefixed_class=””] Android Oreo Device List: List of the devices which will get official Android 8.0 update.If your device doesn’t belong to the list of devices that will get the official update soon, then you need not worry as we have a fix for you.

LG G3 S / G3 Beat was launched back in 2014.The phone was running Android 4.4 KitKat with LG’s new UX (the same that’s found on the larger G3), the G3 S / G3 Beat sports a 5-inch IPS display with 720 x 1,280 pixels. It is powered by a quad-core 1.2GHz Qualcomm Snapdragon 400 processor coupled with 1GB of RAM.It has a 8MP rear camera with Laser Auto Focus and 1.3MP front-facing selfie shooter.It comes with 8GB of internal memory, microSD card support.It houses a 2,540 mAh removable battery.It is a very old device now so there will be no official Oreo update for the device.But users can Install Lineage OS 15 On LG G3 S / G3 Beat which will update LG G3 S / G3 Beat To Android 8.0 Oreo

Here, in this post, we will be showing you how to download and install the LineageOS 15 custom ROM based on Android 8.0 Oreo on your LG G3 S / G3 Beat. This custom ROM comes from the LineageOS or previously known as CyanogenMod line which is famous for producing amazing custom ROMs. The LG manufacturers have not made any official announcement on whether LG G3 S / G3 Beat users will be receiving an official update for Android 8.0 Oreo or not. However, there are ways through which you can enjoy using Android Oreo on your device.Update LG G3 S / G3 Beat To Android 8.0 Oreo Via Lineage OS 15

If you belong to the category of those users who absolutely hate waiting for their devices to get the official update, then you can download and install LineageOS 15 which is based on Android 8.0 Oreo OS. This custom ROM is absolutely perfect as it will have not only the features of Android 8.0 Oreo but also an optimized battery, more features which are not available in Oreo OS, and an abundance of ways to tinker with the settings and customize your device. In case you are interested in installing LineageOS 15, all that you need to do is fulfil few pre-requirements, complete some downloads, and then follow this step-by-step guide To Install Lineage OS 15 On LG G3 S / G3 Beat

The Lineage OS is the new form of CyanogenMod which was the most used and Popular Android Custom ROM.Lineage OS 15 is based On Android 8.0 Oreo Source Code and Comes with all the Android 8.0 Oreo features like Picture in Picture mode, split-screen mode and better battery optimization.

New Android 8.0 Oreo Related Updated Posts

Lineage OS 15 Features | Android 8.0 Oreo Features

As lineage OS 15 is based On Android 8.0 Oreo’s Source code, it has all the latest Android Oreo features and in addition to that Lineage OS also has some extra customization features.

#1 AutoFill

Android 8.0 Oreo now comes with Autofill feature which was available in the Chrome browser until now. The feature, Auto Fill mode which means that the OS will save your Email Address as well as Password.This will save your precious time

#2 Adaptive Icons

Now Android also added Adaptive Icons which means that the smartphone will now have an option to modify the default icons for various applications in many shapes such as squircle, square, rounded and others. This is done to ensure that the icons on different apps are in line with the other apps for uniformity purpose.This will make your phone looks cool and minimalistic

You may Like: How to get Android 8.0 Oreo Adaptive Icons feature on Android 5.0 and above

#3 Updated Emoji

In Android 8.0 Oreo, Google has once again updated the default emojis present in the Android OS to a blob-less emoji version rather than blob version which was seen on Android 7.0.There many new emojis are added to enhance your messaging experience

#4 Notification Dots

This feature is same as the one present on Android 7.0 Nougat where users can long press on home screen to see the options but this feature is now extended to show notifications of that particular app by long pressing the icon.

#5 Picture -In- Picture Mode

The picture in Picture mode which is also known as PiP mode is also added to Android 8.0 Oreo.This will be shown in floating window rather than the split-screen.

#6 Google Play Protect and 2X Boot Time

This “Google PLay Protect” is added in the Google Play Store and it will be a background service that will check for apps and its usage and data storage permissions and notify users if it is safe to install and use the app.

Thanks to the great optimization in Android 8.0 Oreo, the boot will now take 10 seconds to do so which is a significant improvement. (Previously 15-20 Sec.)

Above are some of the main features Android 8.0 Oreo (Lineage OS 15.0) comes with.But there are much more.Overall Lineage OS is the best Custom ROM available for Android.


1) Make sure the bootloader on your device is unlocked and your device is rooted and you have a custom recovery installed.

If your bootloader is locked then check out the guide here > How To Unlock Bootloader Of Any Android Using Fastboot.Some devices like Xiaomi and LG phones need a unlock code.

2) Make sure your device has more than 50% battery.

3) Make sure your device is rooted and have a custom recovery like TWRP Installed.

DISCLAIMER is not responsible for any damage happened to your device(s) while following this guide, Proceed at your own risk.Now follow the guide given below to Flash Lineage OS 15 On LG G3 S / G3 Beat


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How to install Lineage OS 15 On LG G3 S / G3 Beat | Android 8.0 Oreo

Lineage OS 15 On LG G3 S / G3 Beat

  • Make sure your device is rooted and have the latest TWRP recovery installed. (Check the Pre-Requirement Section Above)
  • First, download the files from the above link.
  • Now transfer the downloaded files to the internal storage of your device.
  • Now reboot to the TWRP recovery by holding your power and volume down buttons together for a few seconds.
  • Take a backup by selecting the option from the home screen and then your data and cache from the recovery menu.
  • Now select install and then browse for the downloaded ROM file and then select it.Next flash the Gapps file and then Magisk (optional).
  • Once the flashing process is completed, reboot your phone and you will be booted into Android Oreo 8.0.

Rootmygalaxy a.k.a RMG was started in 2015 with a solo goal of Helping users with easy How-to guides. Slowly the website started sharing exclusive Leaks and Tech News. In these 5 years, we have been credited by the likes of Forbes, CNBC, Gizmodo, TechCrunch, Engadget, Android Authority, GSM Arena and many others. Want to know more about us? Check out our About Us page or connect with us Via Twitter, Facebook, Youtube or Telegram.

Dibyashree Sharma

An NIT Rourkela Graduate in CS, Blogger, Android Geek, and a Tennis Fanatic. I have been writing about Android OS for Last 8 years.

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