Only 11 days since the last U.K. roll-out for Beta test firmware, the newest Beta release for Android 12, One UI 4, is now available for unlocked, (non carrier), S21 devices in the ***U.K. on CSC code = BTU.
(***Should be rolling out worldwide to participating devices.)
Build # = G99*BXXU3ZUK1
Build date = 02 November 2021
Camera version = 12.0.00.82
Android Security patch = 01 November 2021
Download = 807.27 MB