Redmi note4 is the best mobile phone. really the features of this mobile is sounds good. I purchesed this phone before 2 month ago. its camera quality is too good. and this mobile is very user friendly. this mobile provides you very attractive features.its Rear camera is 13mp, and secondary camera is 5mp. its screen size is 5.50 inches. its operating system is Android 6.0. I love this really very much. it is the best mobile phone with reasonable price. I suggest to all for this mobile.