Aside from sending out a stable One UI 4 update to S21 family members in the US today to fix some lag issues, Samsung is also updating the older Galaxy S20 and Note20 series models with a fresh new build of One UI 4 - although in this case it's still in beta form. The second beta of One UI 4 based on Android 12 is thus headed to the Galaxy S20, S20+, S20 Ultra, Note20, and Note20 Ultra, for both Exynos and Snapdragon versions of these phones. The new build number ends in ZUKA. The software contains the December 2021 security patches, and a bunch of bug fixes for things like adaptive...
Source: https://www.gsmarena.com/samsung_galaxy_s20_and_note20_series_get_second_one_ui_4_beta-news-51973.php
