First of all this phone is used by me for a week so I am telling you cons that I have found in this phone so lets get startNO FAST CHARGINGXiaomi redmi note 4 comes with 4100 mah battery but fast charging is limited to 5V/2A.it takes 3 hour to charge full .DIFFICULT TO BUYdifficult to buy because of flash sale the all unit are sold out in 5 to 10 minutesAVERAGE CAMERA PERFORMANCEcompare to red mi note 3 note 4 is batter but compare with other phone in this price segment camera performance is not good specially in low light .