[sp3edd0g]

Correct me if I'm wrong here, but...

Whenever you use internet or email, it automatically uses the internet and gets information.

If you use HDTweak, there's a setting which allows the phone to use data connection ONLY when needed. Otherwise it's off. But if you look at the signal strength bar and you see the 2 arrows? if it's grey, the data connection is off. White: on.

Hope this helped you.