iPhone stopped ringing audibly.
How do I turn the ringer back on?
iPhone 12 Pro Max, iOS 14
Question marked as
Some things to check:
The ring/silent switch on the left side of the phone. See: How to put your iPhone on vibrate, ring, or silent mode - Apple Support
Settings > Phone > Silence Unknown Callers: https://support.apple.com/en-us/HT207099
Do Not Disturb: https://support.apple.com/en-us/HT204321
If none of the above, also try restarting: https://support.apple.com/en-us/HT201559