Instructions

You can turn on the silent mode if you're not hearing or seeing incoming calls and
alerts when you expect.
How to turn on the silent mode:
 Swipe down the screen from atop, go to Control Center, and tap "Mute".
 Tap on the volume button on the side of the phone, click at the lower-left
area of the volume button.
More Options for Ringtone Customization
To provide better operational feedback, realme UI 1.0 offers four personalized
ringtones settings.