Xiaomi published a teaser this past weekend pointing to the 27th of September as the release date for its next top of the line smartphone flagship, the Mi 5S. As a pimped up successor to the popular Mi 5 it might feature ultrasonic fingerprint technology and a Snapdragon 821 processor. Plus we heard some other rumors about other Xiaomi smartphones.
http://www.notebookcheck.net/Xiaomi-Mi-5S-Teasers-point-to-the-27th-of-September-as-the-release-date.174943.0.html