won't connect on 3g or 4g?

 

Since you have myn's, the first thing you should do is install adfree from the market if you don't already have it, open it, and select the option to update the hosts file. If that doesn't help, take a look at some of the other suggestions in this thread.

 

Possibly try a profile update?
Idk what im saying here i just know it has worked for me in times past when ive had connection issues with my, or my friends phone.

 

Yes, that's another good thing to try. Pretty much everything you can try has been suggested in that one thread. That is definitely another good thing to try at the beginning, though.