How to Update to iOS 6. IOS 6 most advanced mobile OS. 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.
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.