1. Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7291124-f-bd7280b8-2d83-4d2d-88e0-540f6511ab7a.png?width=212&height=458)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7291124-f-e81a2d7b-aea4-4162-8691-601c4fe7d6fb.png?width=212&height=458)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7291124-f-3709d444-c761-4e1e-bd4d-be527cd7d177.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/7291124-f-4113ccef-f12e-4a15-bdc7-4defd8f309ab.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/7291124-f-4113ccef-f12e-4a15-bdc7-4defd8f309ab.png?width=212&height=458)