1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-42341d51-cd0e-4398-b29e-39ef3b479dd1.png?width=210&height=454)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9884b067-2a0d-4380-b8d2-9e719bd7f67e.png?width=210&height=454)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-60d2f188-75a2-4a75-9918-0bb4a4846ff2.png?width=210&height=454)
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-725b2a50-44e2-4bc3-a90d-a7e2fa5b8b2d.png?width=210&height=454)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d7e7e007-7784-4116-89bd-67b73a6b09fc.png?width=210&height=454)
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-6803dc7e-9cb8-4bf3-a3ee-86e89fc133f5.png?width=210&height=454)