Earlier this week, Apple announced the major update to its operating system. At the WWDC 2012, the Cupertino based company unveiled the iOS 6 with a list of new features like Apple Maps, deep Facebook integration and more. The new version of iOS will be available on all the Apple devices that are retailing including the iPhone 3GS. But, not all the features will be supported by the older iPhones and iPads. If you own any of the older Apple products, check out the list of features that will be supported by your device.