HTC One M7 Blue 32GB Unlocked Smart Phone 3/4G LTE 3G: HSDPA 850 / 900 / 1900 / 2100 4G: Market Dependent Display: 1080 x 1920 pixels, 4.7 inches (~469 ppi pixel density) - Corning Gorilla Glass 2 Internal Memory: 32 GB, 2 GB RAM Camera: 4 MP, 2688 x 1520 pixels, autofocus, LED flash CPU: Quad-core 1.7 GHz Krait 300 - GPU: Adreno 320 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.