Today Apple released iOS 4.1 for the iPhone and iPod touch. Announced at the company’s fall event last week, iOS 4.1 builds on the new features added in the major 4.0 update earlier this year, delivering additional promised features such as Game Center and adding a few other new features and small refinements. Downloading and Installing As with all other previous iOS updates, an entire new firmware package is downloaded and applied to the device.…