1 Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9056d521-9f09-48e8-a282-7e7c1a536210.png?width=200&height=448)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-40fcd549-bfae-4bb9-accf-5350fe575643.png?width=200&height=448)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-82f3faaf-cc2b-4fbc-8332-558bd7c9da68.png?width=200&height=448)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b8845493-71ee-41f6-a44c-abbdc4d9e50e.png?width=200&height=448)
2 Turn data roaming on or off
Press the indicator next to "Data roaming ‹SIM›" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a323e16e-0f6e-4b27-a986-5ef343780413.png?width=200&height=448)
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-a323e16e-0f6e-4b27-a986-5ef343780413.png?width=200&height=448)