1 Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3e6681c7-0400-41c8-acdd-78d39e48fae0.png?width=202&height=448)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f4cb5d6e-8105-4e7a-990d-d33c91956a94.png?width=202&height=448)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f25d634b-28f5-4dec-aa00-648d5b88cf80.png?width=202&height=448)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d0681144-21cb-4864-a146-e4696d777fa3.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-31cf7c34-1b6a-4839-b18b-083bfa843ce0.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-31cf7c34-1b6a-4839-b18b-083bfa843ce0.png?width=202&height=448)