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
Step 1:  Open the  Settings
Step 2:  Tap on  Sound & vibration
Step 3:  Enable or Disable  Silent mode
  1. Open the Settings
  2. Tap on Sound & vibration
  3. Enable or Disable Silent mode

Oppo Instructions
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