Displays information about Google Play Services and server connections. How to Use Them Unlock your device and locate the (dialer) icon. button to bring up the number pad. Carefully enter the code starting with
Instantly displays your device's unique IMEI number and serial number. About Phone: *#*#0000#*#* How to Use Secret Codes on XIAOMI Mi A2
View a summary of all events and holidays stored on the device. *#*#426#*#* Monitors Google Play Services and server connection events. The Verdict Go to product viewer dialog for this item. Displays information about Google Play Services and server
This is a comprehensive hardware checklist. On the Mi A2, it will cycle through 25+ tests. You can either run (automatic pass/fail) or Manual Test . Carefully enter the code starting with Instantly displays
Dial code → vibration confirms recording → notification says "Bug report captured" after ~60 seconds.
This is arguably the most important code for any Xiaomi owner. It opens the Quality Check (QC) test menu , which allows you to manually test every hardware component of your phone, including the screen, speakers, vibration, cameras, and all sensors. This is incredibly useful if you suspect a hardware fault or are buying a used device. 2. Advanced Phone Information & Testing