Apple iOS 6 Final Firmware for iPod Touch 4G
iOS 6 gives you more features to make the things you do every day even better. Its free and easy to upgrade wirelessly on your iPhone, iPad, or iPod touch. keynote that is claimed to bring 200+ new features to iPhone, iPad and iPod Touch software. Some of these new features include: all-new 3D Maps app, a new Passbook app, improved Siri and Facebook Integration
iOS 6 adds over 200 new features, including Apple's own Maps app, Facebook integration, Siri improvements, Apple's new Passbook digital wallet app, and more.
iOS 6 is compatible with the third-generation iPad, iPad 2, iPhone 4S, iPhone 4, iPhone 3GS, and fourth-generation iPod touch. It will also ship on the iPhone 5, which launches on Friday, and on the fifth-generation iPod touch launching next month.