1 Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7171023-f-d914e9e4-5aff-4689-9a15-1bc4b7bc1582.png?width=210&height=458)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7171023-f-6b3315f9-5d31-4860-b6ef-033735032871.png?width=210&height=458)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7171023-f-d3bf2a69-8c50-4760-b736-e9fd58384e25.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/7171023-f-bf02bb92-329e-49e1-b102-f5e8e957ebd0.png?width=210&height=458)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7171023-f-8848f293-da24-45c7-b9e4-d706bdc02b04.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/7171023-f-6be4ae93-7fd0-4280-bc55-38af0a64aa43.png?width=210&height=458)