The half-moon icon on your iPhone means you've enabled Do Not Disturb, or muted a specific conversation in Messages. Here's what you need to know.

I’ll cut to the chase: you’ll find Do Not Disturb mode in your iPhone’s Control Center settings. You can swipe down from the top corner of the screen to access your iPhone’s Control Center and click ...

You can enable or disable emergency alerts on your iPhone through the Settings app, though there are certain alerts you can't turn off.

Under More Controls, tap the plus sign next to Do Not Disturb While Driving. On the Home screen, open the Control Center and tap the car icon to turn off or turn on Do Not Disturb While Driving. This ...