Still SAMSUNG not announced what are the devices 10 OS available on. Now the Beta Program is available only for certain devices, OS, and countries. (Galaxy S10e/S10/S10+/S10 5G and other devices with Android 10 OS) and the Beta Program period and compatible devices vary by country. One UI features may differ depending on the devices used.
Refer below link for more details - https://news.samsung.com/global/one-ui-beta-program-enjoy-android-10-on-galaxy-s10-starting-today