Oppo How to Enable or Disable Silent Mode
Oppo 19Slient Mode
When the silent mode is activated, incoming calls and messages (SMS) are muted, and the Oppo smartphone also allows for vibration or not.
The media volume or alarm clock volume are not affected by these settings and can still be heard.
Android 10 (ColorOS 7.0)



- Open the Settings
- Tap on Sound & vibration
- Enable or Disable Silent mode