How To Use Secret Codes On Oppo A9 2020 Upd |verified| -

*#888# Displays the PCB (Printed Circuit Board) serial number and hardware version.

The OPPO A9 2020 is a powerful mid-range smartphone known for its massive battery, quad-camera setup, and smooth ColorOS interface. However, like most Android devices, it hides a treasure trove of diagnostic tools, test menus, and engineering screens behind a series of secret codes (also known as USSD codes or MMI codes). how to use secret codes on oppo a9 2020 upd

*#6776# Shows the Build Time , kernel version, and ColorOS detailed version. Useful to verify if an update was successful. 3. Advanced Audio & Motor Tests Code: *#*#3646633#*#* *#888# Displays the PCB (Printed Circuit Board) serial

*#899# – Remember it, bookmark it, use it monthly to monitor your phone's health. and smooth ColorOS interface. However