This smartphone is running ob marshmallowDual sim 3g & 2g only5 inch HD ( 720* 1280) 294 ppi ips lcd multitouch display.Perfomence is average-mediTek mt 6580quad core , 1.3 ghz , cirtex A7 processorRam-only 1 gbRom-8gbExpendeble upto 64 through memory cardWhich is good.8mp primary canera with good resolutionAnd 5 mp front camera with flash.2500 mah leo polymer battery which os removable.Battry backup is very good.The phone desgn is impresive.audio quality is very good.