1 Find "Data roaming"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e697fa4c-eee7-438c-a341-ef9c9b4d000b.png?width=208&height=450)
Press SIM cards & mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-26a60241-42e0-47d4-a4e0-a12c913cb0a7.png?width=208&height=450)
Press Data roaming.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e77714a9-d353-4ce1-9497-41b87f7591e6.png?width=208&height=450)
Press Data roaming.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5f9d2611-c5f5-4037-90e8-4be316fb9f18.png?width=208&height=450)
2 Turn data roaming on or off
Press the required setting to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4bdfa364-bb0f-4d9b-bd45-c002d49d8154.png?width=208&height=450)
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-5f9d2611-c5f5-4037-90e8-4be316fb9f18.png?width=208&height=450)