Turning data roaming on my mobile phone on or off
If you want to avoid using data when you're abroad, you need to turn off data roaming on your mobile phone. Once done, you can only make voice calls, send SMS and use applications that don't require an internet connection.
1. Find "Mobile network"
Tap the menu icon.
Tap Mobile network.
2. Turn data roaming on or off
Tap Data roaming to turn data roaming on or off.
If required, tap OK.
When the field next to the menu item is ticked (V), the function is turned on.
Tap the Home key to return to standby mode.