Long-suffering AT&T (T) subscribers who have been waiting for months on end to get their Samsung (005930) Galaxy S IIIs upgraded can now rejoice. Engadget reports that Android 4.1.1 Jelly Bean is now available for download to AT&T Galaxy S III owners through Kies, Samsung’s content sync and software update service. Users might want to make sure they have plenty of storage space on their phones before downloading, however, because Engadget says early reports show the update will be a fairly hefty 738MB. Sprint (S) became the first American carrier to offer Jelly Bean to the Galaxy S III this past October, while rival Verizon (VZ) still hasn’t announced plans to bring Jelly Bean to Samsung’s flagship smartphone.

Prior to joining BGR as News Editor, Brad Reed spent five years covering the wireless industry for Network World. His first smartphone was a BlackBerry but he has since become a loyal Android user.