1 Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-89840720-d5c5-4b5e-b11a-db6001afe8c5.png?width=214&height=458)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cc025760-b7e2-465e-ac67-e59310dd57b0.png?width=214&height=458)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-221413c6-15b0-4d3e-b434-1b2aa443022c.png?width=214&height=458)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-156e895e-c06c-4dd4-9549-54ae2529cc04.png?width=214&height=458)
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-d72ca38a-dec9-49b1-bac0-750e4d1d1966.png?width=214&height=458)
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-d72ca38a-dec9-49b1-bac0-750e4d1d1966.png?width=214&height=458)