^to the guy above try doing a hard rest press the home button and the power button for ten seconds the the power off then on back normally

Are there any iphone 3g users that cant use 3g and mms on their iphone? I own an AT&T iphone unlocked and jailbreaked by redsnow and ultrasnow.Im using maxis prepaid on IOS4.0.2
edge and everything else works fine.nvr had this problem b4 ???