Samsung Korea Samsung Galaxy Grand Neo I9060 8GB, Factory Unlocked Cell Phones - Retail Packaging - White OS:	Android OS, v4.2 (Jelly Bean) / Dual Camera : 5 MP Rear (autofocus, LED flash) &amp; VGA Front 3G Network: HSPA+ 900/2100 MHz CPU:	Quad-core processor 1.2 GHz Cortex-A7 2G Network: GSM 850/900/1800/1900 MHz Display Screen Size : 5.01 inches / Dual Sim 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.