Apple has released the very final version of iOS 5 for all iDevices. As most of you know that iOS 5 coming with more than 200 new features such as, the awesome new Notification Center, iMessage, Newsstand, Reminders, Twitter integration, improved Camera app, Photos editing and more.
Before Download iOS 5 ipsw firmware - Here's the supported devices
Before Download iOS 5 Final version - Here's the history of iOS 5 :
Apple has released 7 beta versions and 1 GM version of iOS 5 that unveiled most of the new features of the revolutionary iOS 5 firmware.