It's no secret the Xiaomi Mi 5s didn't turn out the Mi 5 update we've been hoping for, even though it did improve on a number of points such as build and camera quality. On the other hand, its bigger Xiaomi Mi 5s Plus sibling is looking way more promising and ticks all the necessary boxes required to helm the company's flagship title (assuming the Mi Mix is a one-off experiment).
Source: http://www.gsmarena.com/xiaomi_mi_5s_plus-review-1515.php