Samsung Galaxy Grand Neo DUOS I9060C 8GB Unlocked GSM Dual-SIM Smartphone - White INTERNATIONAL VERSION NO WARRANTY 2G: GSM 850 / 900 / 1800 / 1900 (SIM 1 & SIM 2), 3G: 850 / 1900 / 2100 5.0-inch TFT Display Capacitive Multi-Touchsscreen Android v4.2 (Jelly Bean), Quad-Core 1.2 GHz Cortex-A7 Processor, Chipset: BCM2355 5 Megapixel Camera (2592 x 1944 pixels) w/ Autofocus & LED Flash + Front-Facing VGA Camera Internal Memory: 8GB, 1GB RAM + microSD Slot Expandable up to 64GB 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.