How To Use Secret Codes On Xiaomi Mi A2 |link| -

Use this to run a full diagnostic on hardware components like the screen, sensors, Bluetooth, and camera. Testing Menu: *#*#4636#*#*

How to Use Secret Codes on XIAOMI Mi A2 Go to product viewer dialog for this item. The Xiaomi Mi A2 How to Use Secret Codes on XIAOMI Mi A2

Secret codes are developer tools. Incorrect usage (especially in the "Testing" or "Engineering Mode" menus) can alter device behavior. Proceed with caution and never change settings you don’t fully understand. Use this to run a full diagnostic on

If the code doesn’t work immediately, try turning off "Wi-Fi Calling" or "VoLTE" temporarily, as these services can intercept codes. Also, ensure you have no third-party dialer (like Truecaller) set as default. How to Use Secret Codes on XIAOMI Mi A2