Download OxygenOS 10 on Xiaomi Mi A3 based on Android 10 [ROM Port]

Xiaomi Mi A3 (codename: laurel_sprout) launched in July 2019. The smartphone came out of the box with Android 9.0 Pie with the Android One program. Today we have good news, now you can enjoy the OxygenOS 10 ROM on Xiaomi Mi A3 based on Android 10 Q. OxygenOS is the customized version of Android OS developed by Chinese Smartphone maker OnePlus exclusively for their devices.  The ROM makes the device much faster and gives you the stock experience.

Thanks to the developer @ooslaurel for sharing the OxygenOS on XDA forum. Also full credits to the team who has helped in developing this fastest stock experience ROM from OnePlus 7 Pro OxygenOS v9.5.5 / 9.5.7 / 9.58 for Xiaomi Mi A3.

This ROM is still in beta and we don’t recommend you to use this as a daily driver. If you are a flasholic and want to see the development of this ROM, then you can flash the OxygenOS ROM on Xiaomi Mi A3. Before flashing, make sure to check the list of what’s working and not working.

Xiaomi Mi A3 Device Overview

The Mi A3 features a 6.1-inch HD+ OLED display with 720×1560 pixels resolution having a 19.5:9 aspect ratio. It’s protected by Corning Gorilla Glass 5 with dot drop notch. This device is powered by 2.0GHz octa-core Qualcomm Snapdragon 665 chipset with 4GB of RAM. The storage is 64GB inbuilt which can be expandable up to 256GB via a MicroSD card.

The device runs on the Android 9.0 Pie Stock UI out-of-the-box. It packs a non-removable Li-Po 4,030 mAh battery with Qualcomm Quick Charge 3.0 fast charging support. Most importantly, it has an in-display Fingerprint sensor and AI Face Unlock feature.

Xiaomi Mi A-series devices always offer great camera quality like any affordable flagship killer camera. This device packs a 48MP primary camera (f/1.79), a secondary 8MP camera (f/2.2), and a third 2MP camera. The rear camera setup has autofocus and an LED flash as well. While the front features a 32MP selfie camera with an f/2.0 aperture lens along with AI modes.

In terms of the connectivity options, it includes Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth 5.0, IR Blaster, USB Type-C port, FM Radio, 3G/4G LTE, etc. Sensors on the phone include accelerometer, ambient light, gyro, proximity, and fingerprint sensor. The Xiaomi Mi A3 measures 153.48×71.85×8.50 mm and weighs 173.80 grams. It’s available in three colors such as Not Just Blue, More Than White, and Kind of Gray color.

What is OxygenOS ROM?

OxygenOS is the customized version of the Android OS developed by Chinese smartphone manufacturer OnePlus exclusively for their smartphones. OxygenOS was developed for their global market and there is also another version of the OS designed specifically for the Chinese home market called HydrogenOS. The ROM first started by the base of Android OS called Android Lollipop, and till the Pie release, the company has kept it completely free of bloat and unnecessary features.

Steps to Install OxygenOS 10 ROM on Xiaomi Mi A3

How do I install OxygenOS port on my Xiaomi Mi A3? Well, don’t worry! Here we will guide how exactly you can flash and enjoy OnePlus OxygenOS ROM on Xiaomi Mi A3.

Pre-Requisites:

• Supported device: Xiaomi Mi A3 (laurel_sprout)
• Make sure to charge your device up to 50% or more before doing any setup.
• We strongly recommend you to take a complete backup of your personal data, including the internal storage. The phone will be formatted, so be prepared for it. You can also follow our Android backup guide for the same. [Follow any method]
  • How to Backup Your Android Phone Without ROOT
  • How to Backup Complete Stock or Custom ROM using TWRP recovery
  • Backup Your Android Apps and Data with Titanium Backup
  • How to Backup Your Android Phone Directly to PC with TWRP!!
  • How to Backup Your Data on Android device
  • If you already have TWRP: then you can Create and Restore Nandroid Backup via TWRP
• Download the latest Xiaomi USB Drivers
• You need a PC or Laptop to install this custom firmware on Xiaomi Mi A3
• You need a USB cable to connect your phone to PC.
• You need to unlock the bootloader on Xiaomi Mi A3
• Download and Install Xiaomi Mi A3 TWRP Recovery.

Instructions to Install:

1. If you have the latest TWRP Recovery on your phone, then download the OxygenOS zip file from above download area.
2. Now extract the zip file and move the System.img, vendor.img and boot.img to the root of the internal storage.
3. Now reboot your phone into TWRP Recovery and Swipe Allow Modifications (Appears for the first time only)
4. Once you are in TWRP Recovery, make sure to take a complete backup of stock or custom ROM using TWRP.
5. Now wipe the cache, data, and system before flashing the OxygenOS on Xiaomi Mi A3.
6. To Wipe data: Go to Wipe —> Advanced Wipe and select Dalvik/ART cache, cache, and Data and then swipe to wipe. Warning: Make sure not to select Internal storage
   
7. Now you can install the OxygenOS flashable image file in TWRP: Install -> Tap on Install Image  ->
8. Now tap on Install and look for the image file from root directory [System.img , vendor.img and boot.img]
   
9. Flash one by one.
10. That’s it! Reboot and enjoy!

I hope this guide was quite easy to flash and enjoy the OxygenOS ROM on Xiaomi Mi A3. If you still have trouble installing, then head over to the official Telegram page about the same OxygenOS ROM and report your issue.