1 Find "Mobile network"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-385fd96c-c722-4d6f-aacd-1964b2e9c0d0.png?width=212&height=380)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-023a5db5-6158-4b20-994b-399c3ebd3532.png?width=212&height=380)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-405ef4a9-92e5-460c-956f-d1cd5e2c64a9.png?width=212&height=380)
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-e37f9d52-d23a-44e1-95bd-c7e23e156dc6.png?width=212&height=380)
If you turn on the function, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-34093267-7f5d-4385-84c7-677b2fb23195.png?width=212&height=380)
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-e37f9d52-d23a-44e1-95bd-c7e23e156dc6.png?width=212&height=380)