some one help me try to fix this problem..

[EZKELETO]

iphone 4 , 4.3.3 jailbroken unlocked for tmobile.
everything works, text phone calls but not mms or internet
it shows me a message saying couldnt connect to data network.
i cant go on the internet.. unless im on wifi

can some one help me please

i got a the first gevey , idk if the new one would make this work.

picture of the same gevey i bought.
http://noqualityreview.files.wordpress.com/2011/03/gevey-sim-interposer.jpg