ok so i got a blackberry curve 8900, from tmobile, my iphone from att got stolen..
i iunlocked the blackberry and put my sim card in.
my bbm does not work, and my internet does not work..
i called att they said its not an att blackberry, but my friend got hers fixed like that, but for me they cant fix it even though it is the same phone, same service everything...

what do i do to make my blackberry work?
and my texting is not treaded into one.. it is all seperate, can anyone help me with either of these problems???