How to transfer files between your computer and your Xiaomi Redmi 9AT

Connect the data cable to the socket and to your computer's USB port.

Slide your finger downwards starting from the top of the screen.

Press Tap for more options..

Press File transfer.

Start a file manager on your computer.

Go to the required folder in your computer's or your phone's file system.

Press the required file and move or copy it to the required location.