How To Use Secret Codes On Oppo A9 2020 Upd [best] File

: Accesses a hidden page showing saved calendar events and related data.

: Access the feedback menu to report issues like lag, GPS problems, or camera bugs directly to Oppo. how to use secret codes on oppo a9 2020 upd

On many updated Oppo phones, *#*#3646633#*#* (Engineer Mode) no longer works due to MediaTek restrictions in ColorOS 11+. You may need third-party apps like MTK Engineering Mode (requires root or ADB). : Accesses a hidden page showing saved calendar

– Software Info : Detailed view of your Android version, ColorOS build, kernel, and branch details. and branch details.