This latest update is the 6th for the Global, Exynos, S21 Ultra, SM-G998B, and is its 3rd February update and is currently being rolled out by Samsung.
It would appear, like its two companion devices, that this is a bugfix for the previous release, AUB6, as well as a camera update.
The Galaxy S21 Global, Exynos, device that will receive this update is…
- S21 Ultra model SM-G998B
This latest release replaces the G99*BXXU1AUB6 February build.
Initially, as always, this is rolling out to the non-carrier branded, stock Samsung CSC codes first.
It is a FOTA, (Firmware Over The Air), update and you can check… Settings > Software update… to see if it is available for you
The update = G99*BXXU1AUB9
Download = 216.99MB
Build date = 15 February 2021
Release date = 17 February 2021
Camera version = TBA
One UI version = 3.1
Android Security patch = February 2021
This is the 6th stable update in 21 days