World's most advanced operating system iOS 5 is available to public now. You can download iOS 5 from Apple's servers, via the latest version of iTunes.
With its easy-to-use interface, amazing features, and rock-solid stability, iOS is the foundation of iPhone. And even as others try to catch up, the technologies and features built into iOS keep iPhone years ahead.
iOS 5, the latest version of the world's most advanced mobile operating system, includes over 200 new user features, and an updated SDK with over 1,500 new APIs and powerful new development tools. Start developing today to take advantage of iCloud Storage, Newsstand Kit, Core Image, GLKit, Twitter and new Game Center APIs.
iOS 5 beta 5 and Xcode 4.2 with iOS 5 SDK beta 4 are now available on the iOS Dev Center. You can also install iOS 5 beta 5 using over the air software update from devices that have iOS 5 beta 4
Download these new releases today and start developing your apps to take advantage of iCloud Storage, Newsstand Kit, Core Image, GLKit, Twitter, and new Game Center APIs.