Im lost

I have a unlocked 9550 from verizon and i tried almost everything to get my mms ans internet to work.
Im using simple mobile

Did you send service books?

try a search too. you will find what you need.

I'm not sure how to fix your problem, but I did notice that people who get their BB's and have them unlocked frequently have this problem. If you cant find anything here try doing a search on google.