1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-5c4a42b6-50a6-488b-a367-d138066b9bbd.png?width=210&height=458)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ff9d6ab5-e395-4ac0-a34a-f8ade2126d21.png?width=210&height=458)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-11f807ef-f7c3-4f8f-9296-cff4c2c215d4.png?width=210&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-b15d2b7f-4408-4819-9072-580afd7fdb72.png?width=210&height=458)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-737a07b0-e34f-4e51-bbd9-484db589b7f2.png?width=210&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-87427e90-6358-448e-af28-5a96f3e15da5.png?width=210&height=458)