Quad-band GSM Unlocked Wifi Java Watch Mobile Phone 1.5inch Touch LCD 1.3mp Camera Dual SIM Dual Standby Bluetooth Mp3 Mp4 Quad-band GSM Unlocked Wifi Java Watch Mobile Phone 1.5inch Touch LCD 1.3mp Camera Dual SIM Dual Standby Bluetooth Mp3 Mp4 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.