Sumsung glaxy j7 is a best mobile in compare to other mobile.its working are too good .calling rate and sound are better . ti have no any hang problam.it can be operate easily of any body .we can use its display like a hd tv .its has all ready a beautiplas camera and sweet selfi .it has a most important qualitity to designe its cover and display.
bluetooth and wifi connectivity are better than any other product.