HI friend I comeback age I tell about this oppo f1s information to all.I use this phone.his phone camera, better, ram, processor, display, touch etc, all about.his phone.his phone ram is 3gb and stored is 64gb in of it.his phone primary camera is 16 MP AND secondary is 13 MP.HIS BETTER is 3075 mh and better type is li-polymer.his display is 5.5 and other display features is IPS Display.his processor is octa core and processor clock speed is 1.5ghz.his mobile touch screen is very good.his phone sim suporrt in 4g and dual sim. his mobile operation system is android 5, 1 lollipop.his company brand have a making good product.thanks and like my review writing.