![Apple iPhone 15 Plus](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1a0997b7-c1c5-477c-a898-6641aef956f8.png?width=150&height=320)
Apple iPhone 15 Plus
iOS 17
1. Find "Mobile Service"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b7dd447f-926b-4252-aa91-157e0833cc72.png?width=212&height=458)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-887004f2-e129-440e-a621-d08a9e522ae1.png?width=212&height=458)
2. Turn mobile data on or off
Press the indicator next to "Mobile Data" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-009e20bc-d8a0-40f3-8215-fc7abb720728.png?width=212&height=458)
3. Turn use of mobile data for applications on or off
Press the indicators next to the required applications to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-0490e328-68e2-4472-992a-1535dfb01e31.png?width=212&height=458)
4. 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-0490e328-68e2-4472-992a-1535dfb01e31.png?width=212&height=458)