We already showed you earlier on how to enable MMS and video recording on the jailbroken iPhone 3G/2G. But now with “2G/3G Video MMS Enable” app for jailbroken iPhones, you can enable video MMS functionality which is missing by default on the said models of iPhone.

MMS functionality for AT&T customers of iPhone 3G and iPhone 3GS is set to launch officially on September 25th. Aaron Krillr has posted a nice little trick to enable this functionality right now before the official launch on 25th. The following step-by-step guide will help you enable MMS functionality on iPhone 3G and iPhone 3GS running firmware 3.1 on AT&T network.