Samsung will launch One UI 4 beta testing this month, starting with the Galaxy S21 series. Ahead of that, we look at what devices people should expect Samsung to update to its next OS, which will be based on Android 12. Over 70 devices should be covered, including older and mid-range models.
https://www.notebookcheck.net/Samsung-tipped-to-update-over-70-devices-to-One-UI-4-and-Android-12.558393.0.html