1. Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e47ad564-61fd-49a5-a998-09d1bcfb1b14.png?width=204&height=366)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-6b7c6f9a-af97-4474-8c72-f8f5aaf4f172.png?width=204&height=366)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-afc7b3f6-b9e4-4a2d-aa07-e07f992db56f.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-96f13295-135c-4f7e-8ad7-b266b691f7d8.png?width=204&height=366)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-61a4b440-7fd4-4c86-ab22-184f0c03dcfa.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-e3174f63-64f5-448b-b489-2cece837562f.png?width=204&height=366)