Samsung Galaxy J7 Pro mobile the sound quality was not good.cell network problem accur somethings call does not get connected.call gets disconnected unusually.i have used thus phone for last 6 month.only some of the feature are changed from samsung j7.In this phone finger print does not work properly.only few feature are added to this phone relivantaly.its design was smooth and touch was also so smooth then j7 mobile.but it is more costaly then J series mobile of samsung.