The bad news: To load the software update on your iPhone, you will need to download the update via iTunes and sync your iPhone to your computer.
The really bad news: As we reported last month, original iPhone owners will be left out in the cold! (Sorry Shirley!)
EngadgetMobile's Chris Ziegler writes:
"We've just heard from AT&T that new carrier settings for the iPhone 3G and 3GS will be available "late morning" Pacific Time (which would be early afternoon Eastern) this Friday, September 25, which will finally enable MMS support. Owners will have to tether up to iTunes to grab those settings, so fish out your cable (as if you don't have it permanently attached to your machine already) and make sure you've got some solid time in front of the computer[...]."