Tips & Tutorials

Update Xiaomi Mi A1 to Android 8.1 Oreo LineageOS 15.1 Custom ROM

You can now update Xiaomi Mi A1 phone to the latest LineageOS 15.1 ROM based on Android 8.1 Oreo. This is an unofficial build of the ROM, but it works and is almost bug free. Mi A1 is based on stock Android, that makes customizing it much easier than other Xiaomi phones that have MIUI on them. This build of LineageOS 15.1 for the Xiaomi Mi A1 is developed by XDA Senior Member abhishek987. And like we said, this is not an official release by the LineageOS team, however, this ROM is very stable for daily use. And with that, you will be able to update Xiaomi Mi A1 to Android 8.1 LineageOS 15.1 Oreo using this complete tutorial. A custom recovery will be needed to install Android 8.1 based LineageOS 15.1 ROM zip and Google Apps zip files, since this is not an official Xiaomi firmware update.

If this is your very first time installing a custom ROM, we understand you would want to make sure your installation process go as smooth as possible. So before we actually jump to the installation process of LineageOS 15.1 ROM, let’s take a look below at how to backup all your data. When installing this Android 8.1 Oreo based custom ROM, your entire data will be wiped clean — like a brand new phone. As a Xiaomi Mi A1 user, you have several options to choose from depending on how you want to store your data. These are the some of the tips given below that we want you to keep in mind and then proceed.

Disclaimer: All the custom ROMs and firmwares, official software updates, tools, mods or anything mentioned in the tutorial belong to their respective owners/developers. We (TeamAndroid.com) or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial 😉

Android 8.1 LineageOS 15.1 Oreo ROM Details:

This amazing LineageOS 15.1 custom ROM comes with tons of new features and is based on Android 8.1 Oreo. A quick list of the main features that work in LineageOS 15.1 is given below and we are sure you’d love to use this on your Xiaomi Mi A1:

  • Boots
  • RIL (Calls, SMS, Data)
  • Fingerprint
  • IR Blaster
  • Wi-Fi
  • Bluetooth
  • Camera
  • Camcorder
  • Video Playback
  • Audio
  • Sensors
  • Flash
  • LED
  • GPS
  • Volte

There are tons of useful articles and how-to guides on Team Android for the Xiaomi Mi A1, but we think you might be interested in the following posts:

Like this LineageOS 15.1 ROM based on the latest Android 8.1? We love it too and we know you are looking forward to install it on your phone now. Now please read below for important tips on how to make sure your installation goes smooth and you do not end up with any problems.

Xiaomi Mi A1 USB Drivers

You will need to connect your Android phone with the computer. For that, please make sure you have installed the USB drivers for Xiaomi Mi A1 properly. If not, you can download the latest official drivers from our Android USB Drivers section here:

Download Xiaomi Mi A1 USB drivers!

All set and ready? Good. Now, let’s proceed with the tutorial on the next page and update Xiaomi Mi A1 to Android 8.1 LineageOS 15.1 Oreo custom firmware.

NOTE: There is a helpful tips section at the bottom of this guide to help you backup your entire phone as all your data will be wiped clean during the installation of this ROM. We want to make sure your installation goes smooth and you do not end up with any problems.

TUTORIAL: How to Install Android 8.1 LineageOS 15.1 Oreo ROM on Xiaomi Mi A1

We have put together a detailed step-by-step instructions guide on how to install Android 8.1 LineageOS 15.1 Oreo custom firmware on Xiaomi Mi A1. If you are used to installing custom ROMs on your Mi A1, then this should not be any different for you.

As we mentioned earlier, you need to have a custom recovery installed on your phone. Please do that first and then get back to this tutorial. And before you proceed below, make sure you read the tutorial once before actually performing it on your Android device.

Update Xiaomi Mi A1 to Android 8.1 Oreo LineageOS 15.1 Custom ROM 9

To Remember:

  • This tutorial is only for installing Android 8.1 LineageOS 15.1 ROM on Xiaomi Mi A1. Please do not try on any other Mi A1 variants.
  • Your phone should have a custom recovery installed in order to install this LineageOS 15.1 ROM on your phone.
  • We will be using TWRP Recovery for this tutorial.
  • This tutorial will wipe out all your data. Make sure you backup all your data in your phone before proceeding.
  • Perform a Dalvik Cache wipe before proceeding from the Recovery Mode.

Complete Step-By-Step Instructions:

Step 1 – Download Android 8.1 LineageOS 15.1 ROM and Google Apps for Mi A1 to your computer.

Step 2 – Connect and mount your Mi A1 USB memory to your computer using the USB cable.

Step 3 – Now copy/paste the downloaded Android 8.1 ROM zip and Google Apps zip files to your phone memory / SD card. Make sure the files are in the phone memory / SD card root (not in any folder).

Step 4 – Then turn OFF your phone and disconnect from the USB cable.

About the author

Haris Nadeem

He lives on everything Android; has countless devices, apps and games to play with everyday. Currently serving as the Chief Editor at Team Android.

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