Apple iPhone 3GS A1303 16GB GSM Unlocked SmartPhone - Black Apple iPhone 3GS 16GB GSM Global Black - Unlocked 2G Network GSM 850 / 900 / 1800 / 1900 3G Network HSDPA 850 / 1900 / 2100 Camera: 3.15 MP, 2048x1536 pixels,Storage: 16GB (IOS uses some memory) Software compatibility iOS6 (Does not support iOS7 or iOS8) 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.Does not Include Warranty