Xioami Mi 4 is a good smart phone . Its looking is very nice . Its features is so good . Its processor , RAM , and battary baxkup is so good . Compare to another phones of this range it is so good . In any phones RAMand battary backup is not good compare to this phone . Many peoples are use this smart phone all say this smart phone is better than another in style looking , RAM , battary backup. All peolple like this . Its lounges colour is so beautiful .many colour is lounge to it gold , silver , etc. I can say when you can buy the mobile of around this range.