Product Description: Model Galaxy s4 GT-I9505 Network single SIM Card Unlocked 2G GSM 800/850/1800/1900MHz 3G:WCDM Processor(CPU) MTK6589 Qual Core 1.6GHz CPU HARDWARE-SAMSUNG JFCPU MODEL-Quadcore ARMv7 Operation System Android 4.2.2 RAM 2GB(free 1.2) ROM 12GB(free 2GB) Screen 5.0 inch Touch Scr