![Apple iPhone 15 Pro Max](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-cf357547-a755-45c8-a97a-ef06b1951946.png?width=150&height=320)
Apple iPhone 15 Pro Max
iOS 17
1. Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f44299dc-4f7a-4300-9782-d4e0bd965755.png?width=212&height=458)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f65d0f07-b716-44a4-b09c-b5af5e7cd0ae.png?width=212&height=458)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-db435c30-31b3-462f-b32d-efe009dfe30c.png?width=212&height=458)
2. Turn data roaming on or off
Press the indicator next to "Data Roaming" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-8f69a92b-2886-4791-ac6e-198d268fc5c5.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/7151223-f-8f69a92b-2886-4791-ac6e-198d268fc5c5.png?width=212&height=458)