Apple iPhone chassis and back case panel
With the back panel removed, we get our first real look inside the iPhone. The large white block is the iPhone's lithium ion battery. Directly above that sits the main PCBs, the SIM card slot, and camera. At this point, the back cover is still connected to the chassis via the ribbon for the Sleep/Wake button, volume buttons, vibrate switch, and headset jack. To completely remove the back case panel, gently separate the ribbon cable from the main PCB connector.
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Bill Detwiler is Managing Editor of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the social research and energy industries. He has bachelor's and master's degrees from the University of Louisville, where he has also lectured on computer crime and crime prevention.