Samsung SGH-D900i Unlocked Cell Phone with 3.2 MP Camera, Media Player, MicroSD Slot--International Version with No Warranty (Metallic Silver) This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint. Quad-band GSM cell phone compatible with 850/900/1800/1900 frequencies and GPRS/EDGE capabilities Slider-style phone with QVGA display and 60 MB of internal memory; MicroSD expansion 3.2-megapixel camera/camcorder; digital audio player; FM radio; Bluetooth stereo music Up to 6.5 hours of talk time, up to 260 hours (10.8 days) of standby time