updated 04:40 pm EDT, Wed September 23, 2009
Carrier settings update available through iTunes
AT&T has confirmed several details of the iPhone MMS launch scheduled for Friday, September 25th. The carrier will enable the service via a carrier settings update that will be available to download from iTunes. The update will go live sometime late morning, Pacific Time.
An unofficial report claims the carrier is "very nervous" as the launch approaches, as the system experienced outages even with the limited number of participants in the pilot program. People working on MMS deployment allegedly expect 40 percent higher data traffic on Friday.
AT&T will begin sending text message notifications to customers as the service is enabled.