Many users face idle battery drain. Use the "Battery Information" tab to check if your battery temperature exceeds 40°C, which triggers thermal throttling.
If you only memorize one code for your XIAOMI Mi A2, make it this one. This is widely considered the most useful code for any Android user.
This code forces the screen to show solid red, green, blue, and black patterns. Tap the screen to cycle colors. Use this to detect dead or stuck pixels, backlight bleeding, or screen burn-in on your Mi A2’s IPS LCD.
*#*#0588#*#* Name: Proximity Sensor Test
*#*#0*#*#* Name: LCD Display Test (Samsung-style)
. In most cases, the menu or information will appear automatically as soon as the last symbol is entered. Essential Xiaomi Mi A2 Secret Codes
Important note: The Mi A2 runs (stock Android), not MIUI. This means some traditional Xiaomi secret codes may not work, but many standard Android codes do.
Accessing hidden menus on the is a surprisingly straightforward way to unlock advanced diagnostic tools and system info that typical settings don't show . Because the Mi A2 runs on the Android One program, it uses standard Android codes alongside a few Xiaomi-specific ones. How to Use Them To activate any code, simply: Open your Phone/Dialer app. Open the Keypad .