Check out this step-by-step video tutorial on how to take the back off and take apart the new iPhone 3G (2nd generation). The directions here also include how to replace the LCD, touchscreen, battery, and motherboard in Apple's iPhone 3G. It also includes any information that might be needed to hack the internal workings of the iPhone.
This is part of PDAparts complete guides to taking apart your iPhone 3G, Palm Treo, Apple iPods, HP iPAQ, Dell Axim, Blackberry, PDA's and Smartphone units.
Have an iPhone? See everything that's new with Apple's latest iOS update: