1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-13890e03-aa13-4089-8722-834252293340.png?width=210&height=454)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b706c17e-893c-4480-a80b-ef36256e8dff.png?width=210&height=454)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-2f4dc7d3-6425-4f87-92c0-d6921cf6ec75.png?width=210&height=454)
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-07c07937-bf65-4434-a145-3f8e63e88acc.png?width=210&height=454)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d66322b4-2291-4737-a9d9-ad2b59983570.png?width=210&height=454)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-5946bad8-8e5a-4d95-a26f-d87a327180cd.png?width=210&height=454)