How do I turn my iPhone ringer back on?
Most likely, however, you inadvertently silenced your phone, left it on Airplane or Do Not Disturb mode, enabled call forwarding, or there's an issue with a third-party app.Apr 24, 2021
Why is my iPhone 11 not ringing when I get a call?
No ring tone tone is heard on incoming calls on your Apple iPhone 11 Pro iOS 13.0. If Do Not Disturb is turned on, your phone is set to silent mode for a specified period of time. Solution: Turn off Do Not Disturb.