Change your ring tone, sounds, or alerts
On the home screen, swipe down from the top of the screen.
Settings > Notifications.
- To change your global notification settings, select a setting in the
Mode drop-down list or change the
Sound, Vibrate, LED,
Previews, or Volume settings.
- To change the notification settings for a particular app, for example
the Phone, in the Notifications
section, tap an application. Change the settings.