![Apple iPhone 11 Pro](http://wmstatic.global.ssl.fastly.net/ml/7071123-f-c8fb47ad-7f7f-4038-94d9-3b52932b46f8.png?width=150&height=320)
Apple iPhone 11 Pro
iOS 17
1 Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7071123-f-768466fe-c6a5-437d-b78f-e6a8bc65ebce.png?width=208&height=450)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7071123-f-1fa9e749-ee62-431a-9e77-2b10fb13da83.png?width=208&height=450)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7071123-f-a3ef6a29-e4e8-4e61-b677-012e21f0cc15.png?width=208&height=450)
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/7071123-f-6af99d14-2649-48b1-ad74-0df4891ef270.png?width=208&height=450)
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/7071123-f-6af99d14-2649-48b1-ad74-0df4891ef270.png?width=208&height=450)