No root required.
Using secret codes on your POCO X6 Pro is a free way to access diagnostic menus and hidden device information. These "USSD" or "MMI" codes are entered directly into your phone's dialer. How to Enter Secret Codes app (Dialer). Tap on the
Displays real-time data regarding Battery health , charge level, temperature, and charging status. 4. IMEI and Serial Number Identification Code: *#06#