In this video you will see how evolved the Xiaomi MI phones.

XIAOMI MI Series Evolution 2011-2019

Xiaomi MI 1 2011
Xiaomi MI 2 2012
Xiaomi MI 3 2013
Xiaomi MI 4 2014
Xiaomi MI 5 2016
Xiaomi MI 6 2017
Xiaomi MI 8 2018
Xiaomi MI 9 2019

https://www.youtube.com/watch?v=0sdZxBPx72g