1. Find "Mobile network"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0de143ff-646f-4dcd-9cc4-2c57b388683f.png?width=210&height=376)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b9ad0d4b-0175-4642-8c4f-a6172c8a3336.png?width=210&height=376)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d369e0d5-0cbf-418d-b238-869e91d6b045.png?width=210&height=376)
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-361a8b1b-26bf-452f-94ab-5563926b5e2e.png?width=210&height=376)
If you turn on the function, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-39408c9d-f328-4426-83dd-2b8598a0292e.png?width=210&height=376)
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-361a8b1b-26bf-452f-94ab-5563926b5e2e.png?width=210&height=376)