The Galaxy S21 international devices that will receive this update are…
- S21 5G model SM-G991B
- S21+ 5G model SM-G996B
- S21 Ultra 5G model SM-G998B
This latest release replaces the previous G99*BXXU3BUKG/BUL1/BUL6 builds on the international devices.
- Device security improved
- After upgrading you will not be able to downgrade to the old software because of updates to the security policy.
It is a FOTA, (Firmware Over The Air), update and you can check… Settings > Software update… to see if it is available for you. Alternatively, you can connect to the Samsung PC suite, Smart Switch and check via that.
The update = G99*BXXS3BULC
Download = 244.04MB
Build date = 20 December 2021
Release date = 24 December 2021
Camera version = 12.0.00.83 (no change)
One UI version = 4.0
Android Security patch = 01 December 2021
This is the 24th stable update for the Exynos model in 323 days. Average = 1 update every 13 days.
(N.B. This post will be updated as more information becomes available)