The samsung is very old company . They are a trustable company . They make our self respect in market . The C7 is a best phone of samsung. The prossor of C7 pro is very fast than other . The sound system is very good. They speaker give best hd quality . They are looking very stylish. They give long batery backup than other. They are not so high price. The internal mory is 32Gb and the expandable memory upto 128Gb. They have two sim slot. They support 2G, 3G, 4 G. The body is very strong and the screen is made up of gorilla glass . So many persons buy this thia is very good phone.