Huawei G610 Unlocked Android Smartphone (White), 5" IPS Screen, Quad-core 1.2 GHz CPU, 4GB ROM, Dual Camera (5MP Primary) with Flash 3G HSPDA 900/2100 MHz Dual Camera with Flash LED, Primary 5MP with autofocus and Geo-tagging 5 inches IPS Screen, Quad-core 1.2 GHz CPU 1GB RAM, 4GB ROM, microSD card for up to 32 GB Android OS, v4.2 (Jelly Bean) 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.