Hi friend redmi note 3 is awesome phone according to my choice. I have bought this phone in november than I am using this phone no problem create in this phone . According to this price this phone is really good. In this phone the android os is 5.1 lollipop and upgrade up to v6.0.1 and the back camera is 8mb and front camera is 5 mb thats really good and the internal memory is 16gb and the ram is 2gb and upgrade up to 32gb internal and 3gb ram and the display is 5.5 inches and card slot up to 256gb. In it the battery is 4050 mah. This battery backup is really good and the weight of the phone is 165g.THANK YOU.