AOSP

Download and Install AOSP Android 8.1 Oreo on Lenovo S5 (GSI)

Download and Install AOSP Android 8.1 Oreo on Lenovo S5 (GSI): This is an unofficial build available for Lenovo S5. The ROM is based on Android 8.1 Oreo source code. It is compatible with any project treble hardware. So if your device supports project treble, then you are good to go. The Custom ROM is maintained by phhusson. If you want to know more about AOSP Android 8.1 Oreo For Lenovo S5, just Visit this XDA Thread

Lenovo S5 is a bezel-less smartphone which means that it has 18:9 aspect ratio. It is having a 5.7-inch Full HD+ display with the resolution of 1080 x 2160 pixels. It is powered by Qualcomm Snapdragon 625 chipset and 4GB of RAM. You can choose between 64GB and 128GB of storage space. There is also a 3GB RAM variant available with 64GB of internal storage. The dual camera setup is a necessity these days and the sensors are 13MP each.

One of them is monochrome while the other one is an RGB sensor. The front camera is also powerful with a 16MP sensor. You can take stunning photos and videos and the smartphone scores full marks on the camera segment. Coming to the battery, it has the standard 3000mAH battery and it runs on the latest Android 9.0 Oreo-based ZUI.

The Android 8.1 Oreo is fairly a new version of the Google labs. With the release of new Android 8.1 Oreo, the parallel thing that happens is the development of the Custom ROM which essentially acts as a wrapper to the underlying Android version. The Official AOSPExtended Oreo on Lenovo S5 based on Android 8.1 Oreo is packed with new Wallpaper Themes, AutoFill, Redesigned Power Menu, Adaptive Icons, Picture -In- Picture Mode, Google Play Protect and 2X Boot Time, new Shutdown and boot Animation, Pixel 2 Launcher, Round Statusbar Icons, and Settings. Follow the below step by step guide to install AOSP ROM on Lenovo S5 (Android 8.1 Oreo).

AOSP 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 8.1 Oreo features and in addition to that Lineage OS also has some extra customization features. Lineage OS is the most popular Android ROM available and it is also one of the best ROMs when it comes to support

#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

You may Like: How to get Android 8.1 Oreo Adaptive Icons feature on Android 5.0 and above

#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 a 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.
  • 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 Lenovo S5.

Downloads

How to Install AOSP Android 8.1 Oreo on Lenovo S5

Download and Install AOSP Android 8.1 Oreo on Lenovo S5 (GSI)

  • 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 and extract them
  • 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 nandroid backup by selecting the option from the home screen and then your data and cache from the recovery menu.

Guide: How To Create & Restore Nandroid nitrogenkup on Lenovo S5

  • Now return to the main menu of TWRP and wipe cache, data, and system before flashing the ROM

  • In order to Wipe data: Go to Wipe —> Advanced Wipe and select Dalvik/ART cache, cache, System, Vendor, and Data and then swipe to wipe. (Don’t select the internal storage)

  • Now Return to the main menu of TWRP again and install the GSI ROM which is just a system image.
    • Go to Install -> Install Image -> select system.img

  • Next flash the Gapps file like custom ROMs

Guide: How To Flash GApps (Zip) via TWRP Recovery

  • Last but not least, flash Magisk (optional) if you want to root (not recommended as all devices have different methods)

Guide: 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 Lineage OS 15.1 Based on Android Oreo 8.1. If you have any doubts regarding this process, feel free to comment below.

About the author

RMG Staff

Rootmygalaxy a.k.a RMG is one of the biggest Android Guide websites which has been serving for last 4 years. The site gets avg. 1.5 million views per month These Posts are done by RMG Team Members.

LineageOS 15.1 (Android 8.1 Oreo) Is now available for many devicesDownload Now
+