Oppo How to Change Default Volume button control
Oppo 1256
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By default, the volume keys are used to change the media volume, but alternatively, the Oppo smartphone keys can also be used to change the ringer volume.
Android 11 | ColorOS 11.0
- Tap on Settings
- Tap on Sound & vibration
- Tap on Volume button function
- Choose Media volume or Ringtone volume
