1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d816297e-2fb8-4301-898b-43f581324aa6.png?width=212&height=458)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-fbacf296-89c0-4848-9f9c-fb5e3646287c.png?width=212&height=458)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-0a50fc42-ad8d-4296-be6f-c0151a9703d6.png?width=212&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/7151223-f-72197230-c040-4806-8e7f-dd11c58d197b.png?width=212&height=458)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-faf2b240-1144-4d6e-8879-45284e185031.png?width=212&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/7151223-f-48a5c80d-6e79-4537-ba3c-5def54f7d033.png?width=212&height=458)