Secret (USSD/service) codes are short numeric sequences you enter in the phone dialer to access hidden menus, diagnostic tools, and device information. On the Xiaomi 11T Pro they can reveal hardware details, test sensors, reset settings, or show firmware info — useful for troubleshooting or exploring beyond the standard settings.
Enter *#*#6485#*#*. Check the “Battery capacity” and “Charge counter”. If the charge counter is below 4,000 mAh after a full charge, your battery health may be degraded.
Code: `##4636##
This is a standard Android code that works on the 11T Pro. It provides detailed information about the phone’s internals.
Code: *#*#4636#*#*
What it does: This is the standard Android diagnostic menu.
| Code | Function | Works? |
|------|----------|--------|
| *#*#34971539#*#* | Camera firmware details (sensor model, lens calibration). | ✅ Yes – Shows Sony IMX686 or Samsung HM2 info. |
| *#*#0588#*#* | Proximity sensor test (wave hand over top bezel). | ✅ Yes – Great for call screen-off issues. |
| *#*#0842#*#* | Vibration motor test (buzzes continuously). | ✅ Yes – Tap screen to stop. | how to use secret codes on xiaomi 11t pro work
(If a code above doesn’t run, your MIUI/firmware probably blocks it.)
Secret codes (also called USSD codes or engineering codes) let you access hidden menus, test hardware, and view device info on your Xiaomi 11T Pro. Secret (USSD/service) codes are short numeric sequences you
Code: `##34971539##