Xiaomi may unveil more than one device at its September 11 event. As you might already know, one of the devices is already confirmed to be the Mi Mix 2, but there's no information about the second one. The Chinese company's president Lin Bin who dropped hints about a second product unveiling in a recent Weibo post. The first-gen Mi Mix went official last October. Alongside it, the company also unveiled the Mi Note 2. So it's reasonable to assume that the second device that Xiaomi president is talking about could well be the Mi Note 3. Adding weight to this assumption are recent...
Source: http://www.gsmarena.com/xiaomi_may_unveil_one_more_device_at_mi_mix_2_unveiling_latter_stars_in_new_teaser_video-news-27158.php