ONE M8 CARRIERS

One M8

HTC ONE M8

HTC ONE M8 0P6B100 - FACTORY UNLOCKED

HTC ONE M8 HTC6525LVW - VERIZON

HTC ONE M8 P6B700 - SPRINT

HTC ONE M8 0P6B120 - AT&T

HTC ONE M8 0P6B130 - T-MOBILE

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