ironass
Extreme Android User
Samsung have begun rolling out the first official stock update of Android 12, One UI 4, for the S21 series of devices...
The Galaxy S21 Global, Exynos, devices that will receive this update are...
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.
Changelog (for those coming from Beta)
The update = G99*BXXU3BUK8
Download = 290.45MB (for Beta testers) 2670.68MB (for non Beta testers)
Build date = 05 November 2021
Release date = 15 November 2021
Camera version = 12.0.00.83
One UI version = 4.0
Android Security patch = 01 November 2021
This is the 20th stable update in 294 days. Average = 1 update every 15 days.
TOP TIP: Wipe the phone's cache partition and use the Galaxy App Booster after updating.
(N.B. This post will be updated as more information becomes available)
The Galaxy S21 Global, Exynos, devices that will receive this update are...
- S21 5G model SM-G991B
- S21+ 5G model SM-G996B
- S21 Ultra 5G model SM-G998B
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.
Changelog (for those coming from Beta)

The update = G99*BXXU3BUK8
Download = 290.45MB (for Beta testers) 2670.68MB (for non Beta testers)
Build date = 05 November 2021
Release date = 15 November 2021
Camera version = 12.0.00.83
One UI version = 4.0
Android Security patch = 01 November 2021
This is the 20th stable update in 294 days. Average = 1 update every 15 days.
TOP TIP: Wipe the phone's cache partition and use the Galaxy App Booster after updating.
(N.B. This post will be updated as more information becomes available)
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