As usual, minor system updates are usually done automatically via OTA (Over The Air). We are not talking about big and heavy upgrades of the entire operating system ...
Xiaomi has officially confirmed that several models will receive the upgrade for MIUI 11 this season in China, while something similar is already coming ...
You have also had the chance to wait for some notification or some message on viber-messenger-instagram or any application and while the notification-message has been sent, it only comes to you ...