Samsung has released One UI 3.0 beta for the Galaxy S20 and Note20 lineups. Today the company announced it will expand the beta program to eight more devices, which include the Galaxy Z Flip 5G, Galaxy Z Fold2 5G, Galaxy Note10, Galaxy Note10+, Galaxy S10, Galaxy S10 5G, Galaxy S10e, and Galaxy S10+.
South Korean units will be the first to get a taste of One UI 3.0 beta, but you can expect the beta program to expand to more countries soon.
One UI 3.0 beta will soon be available for these devices in South Korea
Samsung hasn't revealed the exact date of One UI 3.0 beta's rollout yet, but whenever the beta program goes live in South Korea, you can enroll in it by heading to the Samsung Members app.
One UI 3.0 is based on Android 11, and aside from bringing new UI, it also brings along new features. You can head this way to know more about One UI 3.0.
Source 1, 2, 3, 4 (all in Korean)