1 Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7081124-f-dcd12cb7-4bc3-4d61-92a5-7937d5eb45b5.png?width=210&height=458)
Press Apps.
![](http://wmstatic.global.ssl.fastly.net/ml/7081124-f-1c5b6712-fc07-4e32-acac-713715836213.png?width=210&height=458)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7081124-f-a58c89a3-3e13-4b28-b322-0e500780f4e8.png?width=210&height=458)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7081124-f-b712de0c-434a-4dfd-a88f-8bfaa4dba68b.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/7081124-f-427924c2-4dfd-48f6-a335-204f0293ffe1.png?width=210&height=458)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7081124-f-2d1d5c9f-3680-440d-8cd4-7a224a7ab2f8.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/7081124-f-d9738257-51d6-4a8b-a98b-6f936030a05e.png?width=210&height=458)