Nokia E50 Unlocked Smartphone with Camera, MP3/Video Player, MicroSD Slot--International Version with No Warranty (White) 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 1.3-megapixel digital camera with video capture; digital audio/video player Bluetooth for handsfree devices; MicroSD expansion to 2 GB; Symbian OS 9.1, S60 OS; access to email Up to 8 hours of talk time, up to 240 hours (10 days) of standby time