Apple has released an iPhone user guide for iOS 4
It's a 17MB, 244 page PDF designed to walk you through everything from syncing to using the default apps. The 28 chapters cover the Phone, Mail, Safari, iPod, Messages (SMS/MMS), Calendar, Photos, Camera, YouTube, Stocks, Maps, Weather, Voice Memos, Notes, Clock, Calculator, Settings, the iTunes Store, Compass, Contacts, Nike + iPod, iBooks, and Accessibility ...Apple releases iPhone user guide for iOS 4
