Android 16 is the latest version of Google's mobile operating system, building upon Android 15 with new features and improvements. It includes enhanced camera capabilities, improved security and privacy features, usability enhancements, and better support for large screens and foldables. The first developer preview was released in November 2024, with the first beta following in January 2025, and the final version released on June 10, 2025.
So in this guide i will tell you how you can flash AOSP Android 16 Custom ROM for POCO X3 surya/karna devices. So let's get started.
AOSP Android 16
Device: POCO X3 (Surya/Karna)
Developer: @braindead
Version: Android 16
Notes:
• GApps included.
Read the developer notice and check if any there additional information from builder.
Disclaimer
Your warranty is now void. I'm not responsible for bricking or any damage while installing this custom rom in your POCO X3. Use at your own risk.
Download AOSP Android 16 For POCO X3
You must have a custom recovery like TWRP in your POCO X3. If you don't have read this How to Install TWRP Recovery in POCO X3
Download AOSP Android 16 custom rom from HERE
Download GApps Android 16 Here (if necessary )
Download Magisk: Magisk.apk or latest and rename it with Magisk.zip (optionl)
Copy ROM to SdCard (Recommended)
Install Instruction AOSP Android 16 in POCO X3
Enter TWRP or any recovery, for this purpose turn off your mobile now press and hold Volume Up and Power Button together, when see mobile logo release buttons.
First important step is make a backup of your current rom ( If you really need your data then backup if not then go to next step its all up to you.
Seletct Install - Select AOSP 16 rom and swipe to right to confirm flash.
Select Wipe - Format Data - type Yes in passowrd and swipe to confirm flash
Select Reboot - System
Now setup the phone
How to Install GAPPS ( If Necessary )
Enter TWRP recovery mode for this purpose Power off your mobile and press and hold Volume Up and Power Button together for some seconds, when see mobile logo release buttons.
Select Install - Select GAPPS swipe right to confirm flash.
Select Reboot - System
How to Root ( If Necessary )
Enter TWRP Recovery mode press and hold Volume Up and Power button together, when see mobile logo release buttons.
Install - Magisk.zip
Reboot - System
Connect mobile to internet
Open Magisk app and install it, Magisk will ask for additional setup let's do it and app will automatically reboot your mobile.
Rom Credit:
I'm not developer of this custom rom. All credit of this custom rom goes to original developer and testers.