Sprint epic flashed to boost mobile mms doesnt work should it or did i get played?

[Amber R]

I took my epic to mister wireless in freemont ca n paid $150 for flashing. Was told that my pic messaging n internet would both be fully functioning for my $. They took hella long n had me waiting an extra hour so I left in a hurry n didn't check to make sure pic messaging worked. It does not. So now my optons are drive back to freemont 90 min drive and be phoneless for hours while thy so called troubleshoot or kill myself jk someone help the jackass at the store told me maybe chomp mms app would work it does not and neither does handcent what can I do please help I really dnt wanna drive back to freemont for more charades.. please only answer if u know what u r talking about thanks