Samsung GT-E1205L Keystone 2 Dual Band GSM Phone with FM Rad (Discontinued by Manufacturer) 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. 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 Inch TFT Display Talk time up to 8.3 hours - Standby up to 720 hours.