Apple released its most advanced mobile operating system, iOS 5 last week and current iOS owners can download the free upgrade from the iTunes Store.

To install iOS 5 on current hardware, users should connect to their Mac or PC, but after that, the Wi-Fi sync will forever make those USB cords gather dust in the drawer.

iOS 5 is Apple's newest and most complete operating system upgrade with over 200 new features. New settings and set up and the app tweaks and iCloud optimized features means iOS 5 offers users more than 200 new features that make using an iOS-device even easier.

iOS 5 will be compatible with the iPod Touch, iPad, iPad 2, iPhone 3GS, iPhone 4, and the iPhone 4S.

Here's the top ten new improvements from Apple's new OS. Start the slideshow to begin and tell us in the comments what you like or don't like about iOS 5.

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