1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-86c7b86b-d263-4415-9b4f-5aaf4dca98e7.png?width=204&height=366)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-45c3a32d-7639-4f2f-89c1-3a9422c6f4ef.png?width=204&height=366)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-152c2396-930e-4e12-8d4c-14ca2d7c6289.png?width=204&height=366)
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-5da078e7-cc82-4f41-8556-70ea631478a6.png?width=204&height=366)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-fe08615f-cc78-4a7f-a549-6ecd4202cd47.png?width=204&height=366)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-75513962-23c9-483f-83f3-688904c7091c.png?width=204&height=366)