1. Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-245d5377-15b7-4f00-b969-b8df78084d60.png?width=208&height=454)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1c15d5d4-35e0-4480-bc44-18db75a0c933.png?width=208&height=454)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8d8d8e22-4cc0-4ec4-b68d-fe7781000db3.png?width=208&height=454)
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/7140723-f-95bbd3cf-55aa-47f3-8416-c69cb80e49aa.png?width=208&height=454)
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/7140723-f-95bbd3cf-55aa-47f3-8416-c69cb80e49aa.png?width=208&height=454)