Only people with Unlocked Note 10 and Note 10+'s can register for the One UI Beta. Those who got theirs from Verizon, Sprint, AT&T, T-Mobile, etc. can't register for the One UI Beta.
I too am waiting for the 1 ui 2.0 android 10. Now I dont know what to do, I am using my backup Samsung account so I can view, reply, post on the Samsung Members community board. My main Samsung account, the Samsung Members board doesn't show community board, I cant reply to one's post. I tried clearing memory, deleting my Samsung account from my phone, uninstalled the app restart my phone installed the app signed in with my main account. The only way that I am able to see the board is for me to sign into Samsung account with a different account. I cannot change accounts, because I have way too many Samsung products and services, SmartThings, hubs, buttons, outlets, bulbs, tvs, phones, tablets and all of my pics and vids backup into samsungs cloud. I guess I'm gonna have to call samgund app support.