In order to update the iPhone to handle MMS, the device must be plugged into iTunes. If a dialog box doesn't appear immediately, click check for update.

Our first method comes from Giz reader Aaron Krill, who has posted a comprehensive guide—a sort of super-powered update to our old 3.0 tethering hack —to enabling both tethering and MMS ...

AT&T rolled out MMS to the iPhone 3G and 3GS last month, but if you're the proud owner of a first generation 2G iPhone, you don't get the "new" feature. If you're feeling left out and adventurous ...

AT&T started offering MMS (Multimedia Messaging Service) in the United States after a long delay. Learn how to activate and use it.

Why wait until AT&T releases MMS on Sept. 25, when you can enable it right now on your iPhone 3G or 3GS in under 3 minutes? We show you how.

One of the more frustrating things about iPhone 3.0 is that a couple of its best new features—namely MMS and tethering—aren't available to AT&T users. As it turns out, you can trick your phone ...

High-quality media sharing: RCS will allow iPhone users to share images, videos, and audio clips in high resolution with Android users, as opposed to the compressed versions sent over SMS/MMS.

A number of AT&T iPhone users around the United States are reporting that MMS is already working in advance of the September 25 date AT&T has officially announced as the MMS go-live date ...