Running Windows on the POCO X3 Pro

Dualbooting Android and Windows seamlessly

Note

This will work on any android version and kernel but it does take longer to boot into Android from Windows

Prerequisites

Phone Setup

Adding NTFS Support to android

Install Magisk if you haven't already
Install the NTFS Android magisk module through the Magisk manager

Application Setup

Install the APK provided
Create a folder named "UEFI" on your internal storage
Copy all uefi images into the UEFI folder
Open the app and allow any root access it wants

PC part

Flashing the recovery and booting it

Reboot to the bootloader
Run fastboot flash recovery <recovery.img> reboot recovery

Transfering files to the phone

When the recovery has booted run adb shell mount.ntfs /dev/block/by-name/win /win
Run adb shell dd if=/dev/block/by-name/boot of=/win/boot.img
Run adb push StA_installer.exe /win/Users/<username>/Desktop/StA_installer.exe

Boot your phone into windows

Do adb reboot bootloader to reboot into fastboot
Do fastboot flash boot <UEFI File Here>.img reboot to flash the image and reboot the phone

Phone Setup - Windows

Run the StA_installer.exe on your phone and follow any installation steps

Booting to android

Run the new shortcut on your desktop as ADMINISTRATOR

Booting to windows

Run the app
Press "Quickboot to windows"

Finished!