1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-71405d83-2b08-4846-98e6-c658c610e4e5.png?width=202&height=362)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-11f485ed-c6ee-44b9-9b2f-ef95870f6db6.png?width=202&height=362)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7075f8cf-3401-4699-aa5e-64fe1404b287.png?width=202&height=362)
2. Turn Wi-Fi calling on or off
Press the indicator next to "Wi-Fi Calling on This iPhone" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e28cea47-c799-48a2-bd09-8613b4977cd1.png?width=202&height=362)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ea7733c6-2031-46f7-8210-a8599ad73f2f.png?width=202&height=362)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-caf76e04-4467-4f55-894d-c8d028b12e6f.png?width=202&height=362)