HTC One M7 32GB GSM Unlocked 4G LTE Android Smartphone - Black 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 850 / 900 / 1900 / 2100, 4G: LTE 700 / 850 / 1700 / 1900 / 2100 4.7-inch Super LCD3 Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 2 Android v4.1.2 JellyBean (upgradable), Quad-Core 1.7 GHz Krait 300 Processor, Chipset: Qualcomm APQ864T Snapdragon 6, Adreno 320 Graphics 4 Megapixel Camera (2688 x 1520 pixels) w/ Autofocus, optical image stabilization, LED Flash+ Front-Facing 2.1 Megapixel Camera + Video Internal Memory: 32GB, 2GB RAM Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.