Samsung Galaxy Young 2 SM-G130H Dual SIM DUOS Unlocked GSM Android Smartphone - White Android Kitkat 4.4 2G : GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 3G : HSDPA 900 / 2100 3.5" display, a 1 GHz processor, a 3 MP camera and 1,300 mAh battery 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.