You can instantly turn on DND by swiping down on your phone screen twice and tapping “Do Not Disturb” from the tray, but if it’s not there, you can add it by tapping the pencil icon ...

The iPhone's Do Not Disturb feature allows you to set a time when no calls or notifications will get through, say, when you’re relaxing in the evening or going to bed. Turning on Do Not Disturb ...

When Do Not Disturb is turned on, all of your phone calls will be sent straight to voicemail. While you'll still receive texts, you won't see an alert for any new ones that come in while the ...