How To Use Secret Codes On Oppo A9 2020 Upd 'link' File

: Use this to view the PCB (mainboard) serial number and hardware revision of your device.

Type the specific code exactly as written (e.g., *#06# ) into the keypad.

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

: Displays the Specific Absorption Rate (radiation level) for your specific model. Specific Hardware Diagnostic Codes

: Provides deep details including Android version, kernel version, ColorOS version, and build branch. : Use this to view the PCB (mainboard)

: Displays your device’s unique international mobile equipment identity, essential for warranty claims or reporting a lost phone.

Using these codes is straightforward and does not require an internet connection. Open the app from your home screen. If nothing happens, press the Call button to

: Opens a technician-level menu for testing hardware components like the screen, cameras, vibration, and sensors.