Red mi note 3 is a amazing mobile if we can seen that its back camera is 16 mp but if we go to red mi note 4 its back cameri 13 mp.it has good batery life . And its special is its batery life. Its camera quality is very good .and also 3 gb ram move the mobile applications very fast . Redmi release its best mobile with all feutures with low cost.totally I love this this mobile and it a smart phone.