[* black] There won't be any mistaking an iPhone 5 for an iPhone 4 or 4S. A lot has changed on the outside of the iPhone.
[* black] The most obvious alteration to the bottom of the phone is the exchange of the large 30-pin dock connector for the diminutive Lightning connector.
[* black] The headphone jack is now on the bottom of the iPhone, right next to the updated ~~speaker~~ microphone grille—a series of holes rather than a mesh-covered slot.
[* black] Other notable differences are the slate bezel, as opposed to the [guide|6610|stainless steel|stepid=28302] that wrapped around the 4S, and the chamfered edges between the bezel and the front/rear cases.