How To Use Secret Codes On Oppo A9 2020 Upd ((new))

Here’s a helpful, user-friendly content piece on using secret codes on the Oppo A9 2020 (running ColorOS, typically based on Android 9–11).

IMEI Number Check (*#06#): Displays your device’s unique international mobile equipment identity, essential for warranty claims or reporting a lost phone. how to use secret codes on oppo a9 2020 upd

*#36446337# – Manual Hardware Test: An alternative engineering menu for specific manual component tests. Here’s a helpful, user-friendly content piece on using

*#899# – Engineer Mode / AfterSale Page: The primary diagnostic menu used by technicians to test the screen, audio, camera, and sensors. Open the Dialer App : Locate the dialer

1. Open the Dialer App: Locate the dialer app on your Oppo A9 2020 and tap on it to open it.
2. Enter the Code: Type in the secret code you want to use. Make sure to enter it correctly, as incorrect entries may not work or may even cause issues with your device.
3. Press the Call Button: Press the call button to execute the code.

A specialized menu for reporting bugs, submitting logs to OPPO, or diagnosing GPS and lag issues. (SAR Level):