Mi note 4, is newly lunched by mi it is allmoat like Note 3, silmler phone.
But Ther are some changes into note4. They are
1.Light Weagth comparison to note 3,
2.slim then note 3 looks stylise,
3.change in camera 13mp cmos in note 4 were 16mp in note 3,
3, 64 Gb with 4gb ram also avulable which I think it is good news for user.