Samsung E1205Q Keystone 2 Unlocked 850/1900 GSM Phone (White) This unlocked cell phone is compatible with GSM carriers like AT&amp;T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint. Unlocked Dual-Band GSM cell phone compatible with 850/1900MHz frequencies plus GPRS/EDGE data capabilities. Long durability battery; Mobile Tracker; MP3 ringtones; Polyphonic ringtones; Organizer and Voice memo. 3 Embedded games; Integrated speakerphone; 1.52' TFT Display. 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.