Finally, we get an up-close look at the next-generation iPhone, which will sport a unibody design rather than a glass back, like its predecessor. That's right, the "texture seen on the inside of the shell in leaked photos are in fact the tool marking showing how Apple machined the part out of a single block of metal." Continue reading for one more picture and information.
With the iPhone needing to send and receive Wi-Fi, cellular, GPS, Bluetooth, and perhaps NFC signals, Apple has pushed those hardware functions to the top and bottom of the device where they are the least shielded by other device components and the user's hand. Accommodating those functions has led Apple to adopt its new strategy of using a high-quality, thin metal shell wherever possible on the back of the device to increase strength and decrease size and weight while using glass or plastic windows for the antennas.