According to reports, Xiaomi is readying itself to mass-produce its next flagship smartphones. The Xiaomi 12 will arrive first and at least a month before the Xiaomi 12 Pro or Xiaomi 12 Ultra. Meanwhile, it seems that Xiaomi is also preparing to manufacture the MIX 5, the successor to the MIX 4.
https://www.notebookcheck.net/Xiaomi-12-to-launch-earlier-than-12-Pro-or-12-Ultra-as-the-first-hint-about-MIX-5-arrives.577151.0.html