Halfway into the Mi Mix 2's product cycle, Xiaomi releases the Mi Mix 2S, an incremental update to the Mix 2, or a successor and a half to the original Mi Mix. The Mix was the first smartphone to push Android's limits by incorporating a display that was taller than 16:9, thus calling for Android to change its design rules and introducing OEMs with a new hardware dimension to play around with.
Source: https://www.gsmarena.com/xiaomi_mi_mix_2s-review-1758.php
