1. Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140624-f-d0e94727-3748-45d2-a04c-325de3c738f4.png?width=336&height=448)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140624-f-a9934f20-8d2f-4d25-bcbe-9609f7642de0.png?width=336&height=448)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7140624-f-01e81b9a-4cae-405e-9495-205f593b86d0.png?width=336&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/7140624-f-086cafa0-d647-4ed1-a1eb-8dc0e4824b9a.png?width=336&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/7140624-f-086cafa0-d647-4ed1-a1eb-8dc0e4824b9a.png?width=336&height=448)