Read help info
You can deactivate data connections when roaming. Only text messages and calls are then available. This is useful if you want to avoid unintended data traffic when roaming. Follow these instructions to activate or deactivate data roaming.
Find "Mobile Network Options"
Press the Menu key.
Scroll to Manage Connections and press the Navigation key.
Scroll to Mobile Network Options and press the Navigation key.
Activate or deactivate
Highlight the drop down list next to While Roaming and press the Navigation key.
Highlight On or Off and press the Navigation key.
Press Disconnect to return to standby mode.