The Galaxy Note 9 can now be upgraded to One UI 3.1 and Android 11 thanks to a new custom ROM. Called Noble ROM, the ROM is available for Exynos versions of the Galaxy Note 9, including the dual-SIM edition. The ROM is the first opportunity to run One UI 3.1 on the former flagship smartphone.
https://www.notebookcheck.net/The-Samsung-Galaxy-Note-9-can-now-be-upgraded-to-One-UI-3-1-and-Android-11.527223.0.html
This totally completely f***s all Snapdragon Note 9s. >:( >:( >:( >:( >:(