Samsung Galaxy S3 Mini GT-i8190 GSM Unlocked Android Smartphone White GSM 850/900/1800/1900; HSDPA 900/1900/2100 mhz Super AMOLED capacitive touchscreen 4.0-Inch 5 MP Primary Camera, autofocus, LED flash, Video 720p@30fps, Secondary VGA camera OS Android OS, v4.1 (Jelly Bean), CPU Dual-core 1 GHz, Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot, Bluetooth v4.0 with A2DP, LE, EDR, 8GB Internal memory; 1 GB RAM; microSD Memory card slot; Standard battery, Li-Ion 1500 mAh 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.