1 Find "Mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ce409a18-7d60-452d-8cb4-900f2f3ea610.png?width=208&height=416)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f0013c2d-fb4e-4ab0-abbe-58547da14758.png?width=208&height=416)
Press Network & Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-47369a8c-31ca-4852-834b-b808e4124c29.png?width=208&height=416)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7954b979-0b37-4bc9-898f-a86f39d6ccec.png?width=208&height=416)
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-8dc28bf1-33fa-4b32-9795-6496507f691e.png?width=208&height=416)
3 Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8dc28bf1-33fa-4b32-9795-6496507f691e.png?width=208&height=416)