1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-dae9ba2b-bb5d-425a-a1a8-818930ae99f3.png?width=212&height=458)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1ec2f937-074d-4275-81ba-350d1e098559.png?width=212&height=458)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-65b53535-e3a5-4187-a8d7-46912d4aa71b.png?width=212&height=458)
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-51216f42-effd-4038-9ad4-4dc0ec2aae30.png?width=212&height=458)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b54bc3d5-bc61-4f0c-ad14-1dfcac111a9f.png?width=212&height=458)
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-8ce65e38-3495-412e-8d28-04a38fa62bb1.png?width=212&height=458)