You need the latest security updates, use Android 12’s privacy features, or hate the idea of wiping your phone every two years.
OnePlus has since released OxygenOS 13 (Android 13), which fixes some bugs but remains heavier than Android 11. The consensus in the OnePlus community is clear: Downgrade Oneplus 9 To Android 11
The "never settle" phone forced many users to settle for a buggy Android 12. Here’s your escape route. You need the latest security updates, use Android