1. Find "Data roaming"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-09b897bf-4484-4c8b-a1ba-264eead1a7e0.png?width=200&height=448)
Press SIM cards & mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f4297ad4-4fa4-4e45-82db-5490c294d059.png?width=200&height=448)
Press Advanced settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-197feca8-a3d5-4a48-920a-fbb9d7eee783.png?width=200&height=448)
Press Data roaming.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5307d99a-4561-4d03-96b4-340128245f59.png?width=200&height=448)
2. Turn data roaming on or off
Press the indicator next to "International roaming" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-59b70ba0-3bb1-435b-9447-390d3d6fed2a.png?width=200&height=448)
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-59b70ba0-3bb1-435b-9447-390d3d6fed2a.png?width=200&height=448)