So i got a new phone yesterday.... and it is a Samsung Android Dart.. i needed a new phone and it was only $127 dollars.. im broke most of the time and cant afford a $500 phone.. but after only two days i got a message saying i have exceeded my 200mb data limit.. and that i will be charged 10 cents of every 1 mb of data i recieve.. i have 2 apps downladed a chess one and this virus protection one.. but thats it.. everything else.. my pictures music and all that is in my 2GB memory card.. and my RAM says i am only using 140 out of like 266.. so im confused.. how do i fix it so that im not being charged for everything that i do??? just help me people