MI Note 4 is one of the best selling smartphone in India has many features it has three models 2 GB RAM with 32GB ROM 3GB RAM with 32GB ROM and 4 GB RAM with 64GB ROM it comes with 4 colours gold rose gold dark Grey and black and the new one is sky blue it has 4100 MAH battery and 5.5 inch display it is also has IR blaster which means infrared remote which helps us to control any remote controlled device with our smartphone 13 megapixel back camera and 5 megapixel front camera it has Snapdragon processor which is 64 bit and it is too good I recommend you to buy by this smartphone