HTC One 32GB Unlocked GSM 4G LTE Android Smartphone w/Beats Audio - Silver 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 850 / 900 / 1900 / 2100, 4G: LTE 700 / 850 / 1700 / 1900 / 2100 4.7" Super LCD3 Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 2 Android v4.1.2 (Jelly Bean), v4.3 (Jelly Bean), planned upgrade to v4.4 (KitKat), 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.