Samsung has rolled out the February 2024 security update for its Galaxy S21 series in the United States, following its initial release in European countries. This update is specifically for factory-unlocked models of the Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra and is compatible with most carrier networks in the U.S.
Details of the February 2024 Security Update for Galaxy S21 Series
The latest update, featuring firmware version G99xU1UESAFXAB, primarily brings the February 2024 security patch to the devices. The focus of this update is to address 72 identified security vulnerabilities from previous software iterations. Due to the nature of the security-focused update, users can expect a relatively small download size.
Owners of the unlocked versions of Galaxy S21 series devices in the U.S. may now look for this update on their smartphones. To begin the update process, navigate to the “Settings” app, select “Software update,” and then “Download and install.” Alternatively, experienced users who prefer manual flashing can access the firmware file and use the Odin tool on a Windows computer to install the update. It is important to have a thorough understanding of the manual firmware flashing process before attempting it.
The Samsung Galaxy S21 series was initially released with Android 11, and it has since received several software upgrades. It was updated to Android 12 in late 2021, to Android 13 in late 2022, and recently, it has been updated to Android 14 with One UI 6.0. In the upcoming months, the series might see additional enhancements with the potential release of One UI 6.1.
For an in-depth review and more information, a comprehensive video analysis of the Galaxy S24 Ultra is available. Users interested in purchasing can follow the prompt provided with the video.
