Introduction
When the ringer is small, you can use physical vibration to remind yourself the first time to avoid missing important messages.
Path:
realme UI 2.0 & above versions: Settings > Sound & vibration > Vibration on Ringing/Vibrate on ring
realme UI 1.0: Settings > Sound & Vibration > Vibration for incoming calls.
realme UI R & S & T & Go Edition: Settings > Sound > Vibrate for calls > Always vibrate.
realme UI U Edition: Settings > Sound & vibration > Vibration and haptics > Ring vibration