If i walk into cingular and i want to buy 2 blackberrys is there a way that i can put money down or if they can just charge me on the bill instea dof me paying upfront the cash? i got a 2 year contract and i havnt had this service for a whole year yet but the sony ericsson phones we have messd up and i need a new phone quick but dont get paid till next friday and my phone is completly dead it wont even turn on but all i have in the bank is 100 is there a way i can put that money down and have the price of the phons sent to my bill? or do you HAVE to pay up front?