LIVE: Apple's iOS 4 went live 48 minuets ago.
Now you can run your favorite third-party apps — and switch between them instantly — without slowing down the performance of the foreground app or draining the battery unnecessarily.
Organize apps into folders with drag-and-drop simplicity. Get faster access to your favorites and browse and manage up to 2160 apps.
See messages from all your accounts in a unified inbox, organize messages by threads, open attachments in third-party apps, and more.
More than a great ebook reader, iBooks is also an amazing place to browse and shop for books, day or night.
HOME SCREEN WALLPAPERS
Change the background wallpaper on your Home screen.
With over 100 new features these are just a few highlighted,
iOS 4 works with iPhone 4, iPhone 3GS, and iPhone 3G. Not all features are compatible with all devices. For example, multitasking is available only with iPhone 4 and iPhone 3GS.