Download and Install AOSP Android 13 on Xiaomi Redmi Note 9

Redmi Note 9 is a line of Android-based smartphones as part of the Redmi Note series by Redmi, a sub-brand of Xiaomi Inc. Xiaomi Redmi Note 9 (codenamed: merlin) launched in April 2020. The smartphone came out of the box with Android 10 Q. On this page, we will guide you to install the unofficial Android 13 Custom ROM on Redmi Note 9. If you are someone who wants to install the vanilla version of Android 13, then this guide is for you.

Xiaomi Redmi Note 9 Overview

Redmi Note 9 features a 6.53-inches display with a screen resolution of 1080 x 2340 pixels with Corning Gorilla Glass 5 protection. The smartphone is powered by Octa-core (2×2.0 GHz Cortex-A75 & 6×1.8 GHz Cortex-A55) and MediaTek MT6769Z Helio G85 processor coupled with 3/4/6GB of RAM. The phone packs 64/128GB of internal memory which can also be expanded up to 256GB via microSD card. The camera on the Redmi Note 9 comes with a 48, 8, 2, 2MP rear Camera with LED flash, and a 13MP front shooting camera.

Redmi Note 9 runs on Android 10 Q out of the box and a Non-removable Li-Ion 5020 mAh battery. It also has a Fingerprint sensor on the back. The handset supports a dual sim with 4G on both slots. It comes with connectivity options such as Bluetooth, Wifi, USB OTG, FM, 3G, and 4G.

Android 13 and Its Features

Google has finally started rolling their stable Android 13 update to the public. As expected, only Google has released the update to their Pixel lineup, but no OEM has started cooking a stable yet.

Regarding the Android 13, it seems that the Android 12’s successor has plenty of additional features and improvements to its predecessor. We’ve already seen and used the major UI and design element changes in Android 12 last year, known as ‘Material You.’ This materialistic theming design enhanced the Android user experience from the minimal subtle look, rounded corners, improved pop-ups, etc.

Whereas the improved scrolling screenshots, optimized one-handed UI mode, better privacy & security features, improved app notifications, per-app basis language preferences, app permissions to send notifications, BT LE Audio support, auto theme icons, updated now playing widget, etc. Users will also find intuitive QR scanner support, enhanced silent mode, tap-to-transfer media controls, multiple profiles for NFC payments, and more.

What’s Working and Known Bugs:

Whats working?

Wi-Fi
RIL
Volte
Mobile data
GPS
Camera
Flashlight
Camcorder
Bluetooth
Fingerprint
FM radio
Sound
vibration

Known issues ?
You tell me

How to Install AOSP Android 13 on Redmi Note 9 (merlin)

As the title suggests, we’ve shared the requirements and steps to flash the AOSP Android 13 build on the Redmi Note 9 (merlin) variant.

Before heading over to the guide, make sure to follow all the requirements below.

Pre-Requisites

Before we begin with this procedure, I would strongly recommend you create a backup of your device storage and all your files stored on your device. Moreover, following the steps mentioned in this post carefully is advised to avoid permanent damage or bricking your device.

Charge Your Phone

It’s highly recommended to charge your handset before unlocking the bootloader to avoid your device from shutting down occasionally while going through the process. Make sure to keep at least 50% of charge or higher for a smooth operation.

Download ADB and Fastboot Binaries

You can skip this adb and fastboot part if you have already installed TWRP Recovery on your Redmi Note 9.

Using the ADB and Fastboot command (platform-tools), you’ll be able to boot your Android device into the bootloader mode (download mode), which will be easy for you to proceed with further steps. ADB (Android Debug Bridge) creates a connection or bridge between the device and computer to sideload files.

Fastboot is a more advanced command utility tool for Android devices that works with computers. You can download ADB and Fastboot Binaries (Platform-Tools).

Download Xiaomi USB Drivers

A USB Driver is a set of files that allows you to create a successful and strong connection between a mobile device with a computer properly using a USB data cable. It’ll be useful to transfer files between the connected devices, flash files on the handset, and more.

It’s also worth mentioning that mobile devices and other external devices can use and run USB Drivers on a Windows computer. Such as a mouse, keyboard, printer, external hard drives, speakers, USB flash drives, etc. You can grab Xiaomi USB Drivers here.

Unlock Bootloader Your Phone:

You must first unlock the bootloader on your Redmi Note 9 to enjoy any custom ROM.

Install TWRP Recovery:

You must install TWRP Recovery on your phone to install any custom ROM on your device. After unlocking the bootloader, follow our guide to install TWRP Recovery on your Redmi Note 9.

Download Android 13 ROM:

Here, you will find all the Android 13 custom ROM for your Redmi Note 9 (merlin).

PixelPlusUI	Download Link
Project Elixir	Download Link
ArrowOS	Download Link
Lineage OS 20	Download Link

Download Android 13 Gapps:

It’s worth mentioning that most of the third-party AOSP (Android Open Source Project) ROMs (also known as aftermarket firmware) come without any preinstalled Google apps package. You can manually install the Android 13 GApps by following our guide.

Warning!

GetDroidTips won’t be responsible for any issue that may happen to your device if you flash it on another device and brick it. Do it at your own risk.

Instructions to Install:

Connect your device to the PC via USB cable. Make sure USB Debugging is enabled.
Then head over to the platform-tools folder, type in CMD in the address bar, and hit Enter. This will launch the Command Prompt.
Execute the below command in the CMD window or enter recovery mode by using the Volume and Power button combination. your device to TWRP Recovery:
```
adb reboot recovery
```
Now head over to the Install section and navigate to the downloaded vendor and firmware. Perform a right swipe to flash it.TWRP Home
If you want Google Apps as well, then you need to flash it at this instance itself. Go to Install, select the GApps ZIP file, and perform a right swipe to flash this file.
When that is done, you may reboot your device. Head over to Reboot and select System.

Your device will now boot to the newly installed OS. With this, we conclude the guide on installing the AOSP Android 13 on Redmi Note 9. Remember that the first boot might take time, and you might have to set up your device from scratch.

Conclusion

Flashing the ported Android 13 on your Redmi Note 9 will give you an early taste of the latest Android OS version. It looks like the Redmi Note 9 model won’t officially receive the Android 13 update from the manufacturer. So, it’s a good idea to get most of the features and visual treatment. However, if you find any extra bugs or stability issues, you should report them to the respective forum.

That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.