Samsung Galaxy Tab 7.7
Turn data roaming on or off
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 turn data roaming on or off.
1. Find "Mobile networks"
Press Apps.
Press Settings.
Press Wireless and networks.
Press Mobile networks.
2. Turn data roaming on or off
Press Data roaming to turn the function on or off.
Press OK.
When the box next to the menu item is ticked (V), the function is turned on.
3. Exit
Press the home icon to return to standby mode.