I am using this phone from 2 months. This phone is really good . The sound is good . The design & shape is attractive & curved. The battery of redmi note 4 is really good it has huge 4000 mAh or 4100 mAh. The battery gives backup one or two days .the camera quality is become improve . And the heavy games is run without legs. This phone is very good to used. I like this redmi note 4 .