Oppo How to Enable or Disable Dialing Keypad Tone
Oppo 11When dialling a telephone number on the keypad, the dial key tones can be played if desired. By default, the key tones are deactivated when dialling on the Oppo-Smartphone. If you want the tones, you can activate them in the settings.
Android 10 (ColorOS 7.0)



- Open the Settings
- Tap on Sound & vibration
- Enable or Disable Dial pad tone