User Guide for iPhone 4 and iOS 4 Now Online

Apple has just published a user guide about the new iPhone 4 and all the new features in iOS 4. Here’s the direct link to the PDF, and there’s an iPhone-formatted version as well accessible through MobileSafari.

The document comes as a 25MB download, offering a good insight into all the specs of the iPhone 4 and everything that’s new in the latest iteration of Apple’s mobile OS with 28 chapters full of information on how to get the best out of iPhone and iOS.