The iPhone 5, though some will argue that it looks similar, is a major departure from its predecessor. It has a larger screen, upgraded internals, and a new unibody design.
And as it turns out, that design could spell trouble for aftermarket back panels. Because instead of a single piece of glass — like on the iPhone 4 and 4S, you have this part-aluminum, part-glass back panel directly attached to internal components….(...) Read the rest of The iPhone 5′s new design could spell trouble for custom back panels