![Apple iPhone 15 Pro Max](http://wmstatic.global.ssl.fastly.net/ml/7041023-f-5e820817-016a-4d33-ac78-1cb78107f041.png?width=150&height=320)
Apple iPhone 15 Pro Max
iOS 17
1 Find "Wi-Fi Calling"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7041023-f-f44299dc-4f7a-4300-9782-d4e0bd965755.png?width=212&height=458)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7041023-f-071a4e80-ef11-465d-b6bc-ed6e9ea215de.png?width=212&height=458)
Press Wi-Fi Calling.
![](http://wmstatic.global.ssl.fastly.net/ml/7041023-f-6b7267c5-7c8a-4b94-be29-d237663c528d.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/7041023-f-2eee55c9-8e13-44bf-a75e-bab2156aa4e4.png?width=212&height=458)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7041023-f-c70e3c4a-244f-498a-9aa0-690bdfbc3057.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/7041023-f-0d1a43cb-5bc2-4074-a59f-1e35df8fe50c.png?width=212&height=458)