The Android 10 update is now available to the Samsung Galaxy Note10 and Galaxy Note10+ users running Android 9 Pie.
The update was initially supposed to be released on January 20 but is seems Samsung was satisfied with the results of the beta program and released the update early.
The update contains all changes since Android 9, including One UI 2. Its size is 2GB and it rolled out first in Germany. It should be expanding to other regions soon, so be on the lookout for the notification.