1. Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-dc4e4781-c3a3-4a17-9dc6-a1a91659af50.png?width=206&height=448)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-909a352a-806c-4ed9-a4d1-86bbdce69186.png?width=206&height=448)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-72471c63-d713-47b0-b68d-580f4d16fa45.png?width=206&height=448)
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-8a6a0b8b-b3da-4914-968a-edd34b67b4e5.png?width=206&height=448)
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-8a6a0b8b-b3da-4914-968a-edd34b67b4e5.png?width=206&height=448)