This is Speculation. If the picture is the real deal, Moto X is looking mighty sweet!
T-Mobile compatible Moto X passes through FCC | Android and Me
T-Mobile compatible Moto X passes through FCC | Android and Me
There have been doubts that the Moto X will really make it to all four major US carriers like originally rumored, with news circulating the web that T-Mobile has not signed on to carry the device yet. Well if a recent FCC filing is to be believed, even without official T-Mobile support, a Magenta compatible version of the Moto X does exist.