1. Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fc3dc543-0316-49e7-b86e-f7f97b045ad4.png?width=202&height=448)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0dccfc04-68ec-4e46-9903-cce51a1f2204.png?width=202&height=448)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-619b6514-890f-425e-8b24-b4af2396742b.png?width=202&height=448)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6875bd75-9ae8-4152-bd3c-fe74a15ed654.png?width=202&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-74a81309-a6c8-4598-9eec-7ba61c05a8d7.png?width=202&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-74a81309-a6c8-4598-9eec-7ba61c05a8d7.png?width=202&height=448)