Xiaomi launched the Mi A1 running stock Android 7.1.2 Nougat (and the stock part makes perfect sense considering that it's part of the Android One program). It's received a couple of updates since, but it still hasn't tasted Oreo. That's about to change real soon, however. Xiaomi has announced that it's currently looking for eager Mi A1 owners to beta test its upcoming Android 8.0 Oreo software release. You have until December 11 at 11:59 PM Beijing time to enter, which you do by following the steps outlined at the Source linked below. Long story short: you need to use the MIUI...
Source: https://www.gsmarena.com/xiaomi_is_looking_for_mi_a1_android_80_oreo_update_beta_testers-news-28593.php
