ONE CARRIERS

HTC One

HTC ONE

HTC ONE PN07120 - AT&T

HTC ONE AP801CWH - SPRINT

HTC ONE PN07130 - T-MOBILE

HTC ONE PN07120 - FACTORY UNLOCKED

HTC ONE HTC6500L - VERIZON

Providers List:
AT&T

AT&T Service

Factory Unlocked

Factory Unlocked means that the phone isn't attached to any cell phone service and can be used with any service that uses a SIM card.

Sprint

Sprint Nextel Service

T-Mobile

T - Mobile Service

Verizon

Verizon Communications Service