... Screen Resolution: 854x480 ModelOne X MT6577NetworkDual SIM Cards Dual StandbyUnlocked 2G GSM 850/900/1800/1900MHz3G:WCDMA ... (850/2100MHz)Processor(CPU)MTK 6577 1.0GHz dual CoreOperation SystemAndroid 4.0.4RAM512MBROM4GBStorage ExternalSupport TF Card ... to go, wallpapers, calendar, calculator, clock, tethering & portable hotspot,camera, etcItem size124 x 64 x 12mmColorBlack, whiteNet weight135g ...