Unlocked Huawei Y600 Android 4.2 Smartphone 5.0inch TFT Screen MTK6572A/W Dual Core 4GB ROM Dual SIM With 3G (black) MT6572A/W Dual Core Android4.2; Unlock GSM 850/900/1800/1900 Mhz,WCDMA 900/2100 Mhz; 5.0 inch TFT Screen; 6months Warranty:(Any problem can send back to China Warranty; Detected over all products before shipping.If have any problem ,pls contact by frist time. 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.