1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3687118e-b47a-4195-a275-14726218082c.png?width=210&height=456)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-567181f8-57cc-4e36-bc22-86ce9e793c50.png?width=210&height=456)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d0cb3f41-de7f-4a03-abfa-92553e866950.png?width=210&height=456)
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-a125a8a2-9ee4-40ce-ae12-177f0ecc4b95.png?width=210&height=456)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7288db99-0ab4-4847-9dc7-ba40cff0c4fe.png?width=210&height=456)
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-22aa7449-d456-443b-9693-cc0a9c270d27.png?width=210&height=456)