1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-120f38f6-0a78-4d80-bf49-b68f6daa457d.png?width=210&height=456)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-32593b59-810e-469a-9bfb-5ad161e7f950.png?width=210&height=456)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c767c1d6-c98d-4ab1-987a-771b18bf5f0c.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-74ee54ce-985d-40dd-b237-c71fc515f3cf.png?width=210&height=456)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-41671591-7083-4155-8d2b-5c80c3bd5505.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-11240e86-ce83-49c6-bc03-f64851f8b784.png?width=210&height=456)