Apple has published the iPhone 4 and iOS 4.0 user guide for everyone to sift through as you wait to receive your iPhone 4 devices. It’s available in a PDF format online. The guide consists of 28 chapters, or 243 pages, that’s full of information. This information includes compatibility information, physical attributes of the iPhone 4 and host of other information. If you’re into reading about your shiny new device, give this PDF a read.