Download and Install Lineage OS 15.1 On Galaxy S2 (i9100) (Android 8.1 Oreo): Samsung Galaxy S2 is now a 7 years old device but the best part is this is one of the best developer friendly devices ever.There are tons of Custom ROMs available for this 2011 flagship.It has been updated to Android 8.0 Oreo via Lineage OS 15 and now thanks to Custom ROMs like Lineage OS, users can now enjoy Android 8.1 Oreo which is the latest from Google on Samsung Galaxy S2 International/Global Variant.

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Samsung Galaxy S2 is the first Galaxy device to put an impact on the mobile market and it brought a huge revolution.There are still many users who have this device till now and some even using this as their main device.So for those, this is really a very awesome news.Now they can Update Galaxy S2 To Android 8.1 Oreo via Unofficial Lineage Os 15.1.

Here we would like to thank rINanDO, Senior Member of Xda for developing the unofficial build of Lineage OS 15.1 For Samsung Galaxy S2 (i9100).Remember, the ROM is in its initial stage so there may be some bugs present in this build and we are sure these bugs will be fixed in the future update.We don’t recommend users to use this ROM as their daily driver.For more information about bug list and other please visit the official Xda thread here

If you are a Galaxy S2 (i9100) user and are interested in this new update, you can easily download and install it. All that you need to do is fulfil some pre-requisites, complete few downloads, and then follow the guide mentioned below.Once the ROM is available we will update the post with active link and you can then download Lineage OS 15.1 For Galaxy S2 (i9100)

The Lineage OS is the new form of CyanogenMod which was the most used and Popular Android Custom ROM.Lineage OS 15.1 is based On Android 8.1 Oreo Source Code and Comes with all the Android 8.1 Oreo features like Picture in Picture mode, split-screen mode and better battery optimization.Follow the guide to Install Lineage OS 15.1 On Galaxy S2 (i9100)

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Lineage OS 15.1 Features | Android 8.1 Oreo Features

As Lineage OS 15.1 is based On Android 8.1 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 8.1 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

#3 Updated Emoji

In Android 8.1 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 are 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 8.1 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 8.1 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 8.1 Oreo (Lineage OS 15.1.0) comes with. But there are much more. Overall Lineage OS is the best Custom ROM available for Android.

Pre-Requirements

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

How To Unlock Bootloader Of Any Android Using Fastboot

Make sure your device has more than 50% battery.
Make sure you have taken a backup of your important data.Now proceed To Install Lineage OS 15.1 On Galaxy S2 (i9100).

Disclaimer

RootMyGalaxy.net is not responsible for any damage happened to your device(s) while following this guide, proceed at your own risk.

Download Lineage OS 15.1 For Galaxy S2 (i9100)

Lineage OS 15.1 For Galaxy S2 (i9100)> Download
Download latest Magisk v13.5 supports Android Oreo | Android 8.1 (If you want root access)

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Steps To Install Lineage OS 15.1 On Galaxy S2 (i9100) | Android 8.1 Oreo Update [Lineage OS 15.1 For Galaxy S2 (i9100)]

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 Armor 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.

How To Create & Restore Nandroid Backup On Android Devices

Now select install and then browse for the downloaded ROM file and then select it.Next flash the Gapps file and then Magisk (optional).

How To Install A Custom ROM Via Recovery On Any Android How To Flash GApps (Zip) via TWRP Recovery How To Install Magisk On Android Oreo To Gain Root

Once the flashing process is completed, reboot your phone and you will be booted into Android Oreo 8.0.

If you have any doubts regarding this article, feel free to comment below.

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Download and Install Lineage OS 15.1 On Galaxy S2 (i9100) | Android 8.1 Oreo