iOS 6 is the upcoming sixth major iOS release which was announced at WWDC 2012 and will be released in fall this year. It will be available for the iPhone 3GS, iPhone 4, and 4S, iPod Touch 4, and on the iPad 2 and 3. Many features were announced, but the iPod Touch 4th generation, the iPhone 3GS and iPhone 4 don't have much for iOS 6 since they all run a Single core A4 chip or lower. It was announced that the iPhone 3GS is still supported but the oringal iPad and iPod touch 3rd gen are not.
Maps-A completely brand new redesigned Maps app is going to be released made by Apple Inc., with help from TomTom, Google Maps will be removed.
Siri-Now understands more languages, works in more countries, can respond to sports scores, movies, etc. Siri will also be compatible with the new iPad.
Facebook-Fully integrated into iOS, now you can do most features like with Twitter.
Shared Photo Streams-Share the photos you want with whoever you want. You can also make comments about an image.
Passbook-All of your boarding passes, movie tickets, coupons, loyalty cards, and others now in one place.
Eyes-Free-Siri will now be compatible with future Audi, Toyota, and Honda cars made after this feature is released with iOS 6. It is unknown if cars from other car makers like Ford and Mazda will be compatible with this feature.
FaceTime-FaceTime with friends over cellular networks.
Phone-Send the caller to voicemail, do not disturb feature available, set callback reminder and reply with text message.
Mail-V.I.P lists, easier to add image and video, and swipe down to refresh mailbox.
Safari-iCloud tabs, full screen landscape, offline reading list.
Accessibility-Now contains Guided Access for people disabilities
Remodeled Stores-iTunes, App and iBook Store all remodeled
New Features for China
Clock App for iPad
How to Update to iOS 6. IOS 6 most advanced mobile OS
0)Register Your UDID on GD
1)Download iOS 6 firmware for iPhone/iPad/iPod Touch from the this links –> iOS 6 Download.
2)Open iTunes and connect your iDevice via USB cable
3)Select your device from the left navigation pane on iTunes
4)Hold down the Shift (Windows) or Alt/Option (Mac) key and hit the restore button on iTunes
5)Browse and select the downloaded iOS 6 IPSW file. Let the restore process complete.
Here i the link: [url removed, login to view]