Change your notification sounds
You can change the default sound that your device makes when you receive a notification, or you can turn off notification
Swipe down from the top of the screen once using two fingers, or twice using one finger.
> Sound and notification > Default notification ringtone.
Do one of the following:
• To change the default sound, tap a ringtone.
• To turn off notification sounds, tap None.
To turn sounds on or off for features such as screen locking or the dial pad, tap Other sounds. Turn any of the switches on