Android 8.1 | Unofficial | LineageOS 15.1     LineageOS is a free, community built, aftermarket firmware distribution of Android, which is designed to increase performance and reliability over stock Android for your device. All the source code for LineageOS is available in the LineageOS Github repo. If you would like to contribute to LineageOS, please visit our Gerrit Code Review.   WARNING: This procedure will factory reset your device! Accounts, applications, settings, contacts, etc will be lost, so make sure to backup them before going further! Step 1: First make sure that you have flashed CWM or TWRP Recovery, if not then follow this guide for CWM or this for TWRP to do so. Step 2: Download the file Rom zip file from the download section below to and place it on your phone. Step 3: Next Download the file Oreo OpenGApps for your phone from the links below. Step 4: Now reboot your device into Recovery mode by holding Power button with Volume Up + Volume Down button simultaneously. Step 5: In Recovery mode first format user data, cache and Dalvik cache. Step 6: After that choose to Install and install both the ROM and the GApps zip files. Step 7: After the process completes reboot your device. That’s it, first boot will take time after that choose your language and complete the setup process.  

 

 

Credits

s.sawrav LineageOS Team@nicknitewolf@kumajaya @pirej @balika101 @zwliew @ShubbhyGZRTeamAll the Respected Developers and Device Maintainers

  Rom Name: LineageOS 15.1 Android Version: Android 8.1 Oreo   Download Latest LineageOS for Redmi 2   GApps: Download Gapps     Source: XDA Forums

If you any queries or suggestions then don’t forget to leave them in the comments below.