So I just got this fascinate, and it's my favorite phone I've ever had. It's just so bright and a lot better than any other phone out there if you ask me. Anyways, since this is my first android phone I have a few questions. I got the 15$ (150MB) plan, since I'm mainly going to use the WiFi from my house to download apps and such, and was wondering how do I make sure I'm using the WiFi instead of the 3G? I have the WiFi on but I don't know if I'm using it. Also, if I'm out and don't want it to sync to my contacts, how do I turn 3G off? To make sure it doesn't update my contacts with their facebook status updates. I didn't want them to waste my MB.