For those T-Mobile customers worried that they will not get a shot at the Motorola Moto X, worry no more; while versions of the Moto X for Verizon, Sprint and AT&T have already visited the FCC, a model supporting T-Mobile's network had not been seen, that is, until now. The Motorola XT1053 aupports AWS HSPA+ and LTE bands 2 and 17. Besides T-Mobile, AT&T also uses those two bands for its LTE service...
Source: http://www.phonearena.com/news/T-Mobile-version-of-Motorola-Moto-X-visits-FCC_id45772
Source: http://www.phonearena.com/news/T-Mobile-version-of-Motorola-Moto-X-visits-FCC_id45772