An anonymous reader writes "Although the iPhone 5 looks distinctly iPhone-ish, it has in fact been completely redesigned from the larger display to the new dock connector, but what iFixit is most interested in is what’s inside, and they weren’t shy about showing us exactly what’s at the heart of Apple’s latest smartphone.
iFixit figured out how Apple managed to save so much weight while still making the display larger and adding the extra electronics to support LTE. It all comes down to the back casing, which weighs almost the same as just the glass in the 4S. Mystery solved."Link to Original Source