Stick to the MediaTek-friendly codes listed above.

– Engineer Mode / AfterSale Page : The primary diagnostic menu used by technicians to test the screen, audio, camera, and sensors.

How To Use Secret Codes On Oppo: A9 2020 Upd Best

Stick to the MediaTek-friendly codes listed above.

– Engineer Mode / AfterSale Page : The primary diagnostic menu used by technicians to test the screen, audio, camera, and sensors.