Yesterday, Samsung announced the expansion of the One UI 3.0 beta program for eight devices, including the Galaxy Note10 and Galaxy Note10 +. Well, the beta program for the Note10 duo is now live in South Korea and the Plus model is already receiving the One UI 3.0 beta update in Samsung’s home country.
The beta version has version number N976NKSU1ZTK6 and will bring a November 2020 Android security patch in addition to the new user interface and features. You can go here to learn more about the beta version of One UI 3.0.
If you live in South Korea, you can try One UI 3.0 beta by joining the beta program through the Samsung Members app.
The rest of the devices confirmed to be getting the One UI 3.0 beta are the Galaxy Z Flip 5G, Galaxy Z Fold2 5G, Galaxy S10, Galaxy S10 5G, Galaxy S10e, and Galaxy S10 +. The South Korean units will get the beta update first, but you can expect it in other countries soon.
Source 1 (in Korea) | Source 2