...
(Apple's instructions for enabling MMS on the *non-hacked* iPhone 3G and 3GS here.)
Benm's nstructions for enabling MMS on the *HACKED:)* iPhone 3G and 3GS here.
>>> NOTES BEFORE YOU JUMP OVER TO THE ABOVE LINK:
-Enter the network settings under the MMS area; NOT the Cellular Data area (which is displayed first -scroll down.)
-Please REBOOT your iPhone after following the excellent instructions from the guys over at Benm.
(The original [Edge] iPhone does not support MMS.)
