Use this procedure to set DND preferences or files from the Settings menu on the device. Other DND customization options can be set from the notifications area.
Procedure
Navigate to Settings > Sound & Audio & Camera > Do Not Disturb preferences and do the following:
To choose the notifications you want to receive when you set DND to Priority only, tap Priority only allows and then enable or disable the following notifications:
Reminders and Events.
Messages and Calls: You can choose to get notification for calls or messages from anyone, contacts only, favorite contacts only, or none.
Repeat callers: You can choose whether to let your device ring if the same person calls again within 15 minutes.
By default, the Alarms priority is always on.
To prevent silenced visual notifications from appearing on your screen, enable Block visual disturbances.
To automatically mute your device during certain times, in the Automatic rules section, do one of the following:
Turn on an available rule.
For example, turn on Weeknight to mute the device at night.
To make your own rule, tap Add more, and then tap Time rule or Event rule and edit the rule.