To turn off Do Not Disturb on an iPhone 11, follow these steps:

• Swipe down from the top-right corner of the screen to open Control Center.
• Tap the Focus button (which shows a crescent moon icon if Do Not Disturb is active).
• Tap "Do Not Disturb" to toggle it off. The crescent moon icon will disappear, indicating Do Not Disturb is off and you will start receiving calls and notifications again

Alternatively, you can turn it off via Settings:

• Open the Settings app.
• Tap "Focus."
• Tap "Do Not Disturb."
• Toggle off the "Do Not Disturb" option

If you have Do Not Disturb scheduled, you can also disable the schedule in the same settings to prevent it from turning on automatically

. This method works on iPhone 11 with iOS 15 and later versions, including iOS 17