
While the Galaxy S24 and S23 series have already received the security patch, Samsung is delivering the December 2024 security update to the older Galaxy devices, the S21 lineup, beginning with the US market, which will be expanded to even more countries in the next coming days.
Samsung Galaxy S21, S21+, and Galaxy S21 Ultra carrier-locked (T-Mobile) units are receiving the December 2024 security update in the US, which can be recognized with the G991USQSEGXK3, G996USQSEGXK3, and G998USQSEGXK3 version numbers.
Although the update doesn’t mention any major features or changes, it integrates the latest security patch that brings key improvements to the overall system security that offers a secure user experience while also fixing all the security vulnerabilities and protects the device against external potential threats.
Alternatively, the update further adds stability and reliability to the overall system behavior, brings performance optimizations, applies the latest security patches, and delivers much improved features for efficient functionality. Therefore, the latest version helps users to have a more stable, smooth, and optimized experience.
Lastly, the December security update for the Galaxy S21 owners is currently going live for locked units, while it will get expanded to the unlocked devices in the US shortly.