![Apple iPhone 16](http://wmstatic.global.ssl.fastly.net/ml/7081024-f-a5f617c0-9143-40b7-b46f-417e61f965ec.png?width=150&height=320)
Apple iPhone 16
iOS 18
1 Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7081024-f-e7f6e7b8-a1b6-402b-8a66-9c010130c16e.png?width=212&height=458)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7081024-f-f46e4ea2-58f3-423e-ab19-b7aaeac99566.png?width=212&height=458)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7081024-f-9a9e4ee3-9695-4d6f-ac4f-36f87ead965a.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/7081024-f-17657d2d-6fdd-429d-b377-4195c44e053c.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/7081024-f-17657d2d-6fdd-429d-b377-4195c44e053c.png?width=212&height=458)