How To Use Secret Codes On Oppo A9 2020 Upd <2027>

After a major update, Oppo often moves or hides functions. The is still *#899# . Bookmark it — it’s safe, shows battery health, touch accuracy, camera test, and storage info without risk.

: Some codes, particularly those related to "Factory Reset" (like *#8778# ), may erase your data immediately without a confirmation prompt. how to use secret codes on oppo a9 2020 upd

– FCM Diagnostics : Provides information on Google Play Services connection events. After a major update, Oppo often moves or hides functions

: Opens the built-in hardware test menu to check the touch screen, sensors, GPS, and audio. After a major update