The Xiaomi Redmi Note 4 has big shoes to fill - its predecessor became India's best selling phone online and enjoys great popularity in China. It comes barely half a year since the Note 3 went on sale, but it's not quite a direct replacement - instead both will live side by side, with the Note 4 as a more premium offering.
Source: http://www.gsmarena.com/xiaomi_redmi_note_4-review-1504.php
