1. Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-13aa9a5f-a943-4dd2-bbc7-adf99288ee19.png?width=216&height=456)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a4002c45-bfb2-4cde-b051-0cf303f233af.png?width=216&height=456)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4a0e6840-1dec-40b8-adf2-d150ad58e333.png?width=216&height=456)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2c71ffe9-bd4e-4259-b02b-cbbc1d92036d.png?width=216&height=456)
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-b7873018-d628-47f1-bfaf-5e8af87fd884.png?width=216&height=456)
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-b7873018-d628-47f1-bfaf-5e8af87fd884.png?width=216&height=456)