After a short time spent as a beta release, Android Oreo is now rolling out to Xiaomi Mi A1 handsets across the globe. Unfortunately, it also carries a minor bug that makes the Phone app shortcut disappear from the home screen, but fixing it takes less than a minute.
https://www.notebookcheck.net/Xiaomi-Mi-A1-gets-Android-Oreo-as-promised.275712.0.html