Xiaomi Redmi note 4 is a very good mobile. Its fitures are awsome. Its battery backup is vey good and it’s battery power of 4100mAh is very good. Camera quality is very good it’s rear camera is 13-megapixel and front camera is 5-megapixel with face ditection. Redmi note 4 has 4gb RAM and 64 gb Internal storage so we are many data save in this mobile. Redmi note 4 is 4g mibile. Redmi note 4 dual sim mobile 1 slot micro sim and another slot nano sim. Its sound quality was very good. Redmi note 4 have 3 colours.