1. Find "Mobile networks"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-051867c9-3b73-4b31-b413-69c26f078966.png?width=216&height=384)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6f0f4a46-6ebe-4c2a-9d3e-60cd5bcb4dd8.png?width=216&height=384)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3650b634-e3b3-4a44-98c5-b7adc8e0f4b0.png?width=216&height=384)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-10219e08-515a-4819-aeae-8c07bc937e58.png?width=216&height=384)
2. Turn data roaming on or off
Press Data roaming.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2f54b7e0-c9ae-48b0-ab69-c1194999a619.png?width=216&height=384)
Press the indicator to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-389325c6-3b13-4535-b885-fc62d9c4fa1e.png?width=216&height=384)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9b707deb-e31f-4931-8a26-ffb2a2706281.png?width=216&height=384)
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-389325c6-3b13-4535-b885-fc62d9c4fa1e.png?width=216&height=384)