AT&T Confirms Personal Hotspot Support Alongside March 11th iOS 4.3 Launch
Several weeks ago, we reported that AT&T iPhone customers with access to iOS 4.3 beta versions were finding that the personal hotspot functionality was working with their existing tethering plans, but the carrier had yet to offer any official...
http://www.macrumors.com/2011/03/03/atandt-confirms-personal-hotspot-support-alongside-march-11th-ios-4-3-launch/