1. Find "Mobile networks"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b2bed290-4295-45c8-be13-795f1693744b.png?width=216&height=384)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-19cf31f3-aaf6-4f75-9070-5e034f33d088.png?width=216&height=384)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-343e0874-69d6-43ce-9cbb-76b0d9667519.png?width=216&height=384)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c4d858dc-6cce-4da0-871f-50c9aa53e4d3.png?width=216&height=384)
2. Turn data roaming on or off
Press Data roaming to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e4395ed5-d760-4144-b2e7-396b9dd51c1c.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-e4395ed5-d760-4144-b2e7-396b9dd51c1c.png?width=216&height=384)