1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c9ea6c87-34ce-47bf-9749-225029b476e2.png?width=210&height=454)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-5ec7a7ab-cbb8-4a8e-b259-fbe82b79955c.png?width=210&height=454)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-eabd7a4f-9dc3-4f88-a24b-56990793afdf.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-bb5b231b-76ec-4610-b3c6-4bd0dbb8c6ff.png?width=210&height=454)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d055ddd2-0e60-4d11-a2d1-dc212315a726.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-2d18043a-8273-4d95-838b-3428e43fad16.png?width=210&height=454)