Using these codes is straightforward and does not require an internet connection. Open the app from your home screen.
In most cases, the menu or information will after you type the last character. If nothing happens, press the Call button to execute the command. Essential Secret Codes List Below is a curated list of frequently used codes for the OPPO A9 2020 how to use secret codes on oppo a9 2020 upd
: Use this to view the PCB (mainboard) serial number and hardware revision of your device. Using these codes is straightforward and does not
: Displays the Specific Absorption Rate (radiation level) for your specific model. Specific Hardware Diagnostic Codes If nothing happens, press the Call button to
Type the specific code exactly as written (e.g., *#06# ) into the keypad.
: Provides deep details including Android version, kernel version, ColorOS version, and build branch.