1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-89c81eab-2c19-4853-b9e2-4353ee0849be.png?width=210&height=454)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-6b344b14-2a49-4ff9-9666-41af59a23d64.png?width=210&height=454)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-061b6f31-dbc8-44a1-9599-72f98e688c4c.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-1c1db0c3-889c-42ed-9bf6-4cb869d860ce.png?width=210&height=454)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1cea51f9-0f0a-4adb-8516-9c13b1fc9226.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-344818d4-bf35-4930-ae3b-35ac932eebea.png?width=210&height=454)