Control Center

Control Center contains your notifications, information like battery level and the current time, as well as controls like Guest User, View Mirroring, and more.

To open Control Center, look up, then tap the Control Center button near the top of your view. The Control Center button may be a different color depending on what you’re doing.

You can adjust what controls you see when you tap the Control Center button in Control Center. Go to Settings  > Control Center.