How do you turn the ringer on

Check the switch on the side of the phone and then use the up / down buttons. If you have restrictions, i.e., like Screen Time of Focus then go into their settings.

Hello ~ Take a lot at the link below by clicking on below…

How to put your iPhone on vibrate, ring, or silent mode

The link above explains in detail the different options that you have.

~Katana-San~