Samsung is most popular brand in india .samsung launch j-series with 4G support , and that list of top smartphone is samsung galaxy j7 prime .it is the best smartphone under 20K .its display is very sharp and bright .colours mantain is very best .camera quality is also best as compare to that level of smartphone.j7 comes with andriod system so its simpley use .on my mind I take 3rd no to samsung galaxy j7 prime on top list under 20k .its desine and feature are best.these phone have a lot of ram , internal memory and exapndeble storage. This smartphone is good as value for money