After Galaxy S23 FE & S24 FE smartphones, the new January security code is now applied to the Galaxy S21 FE. The new firmware version G990EXXSLHZA1 is now rolling out for the device to enhance security and privacy. The update is based on One UI 8.0 running on Android 16, highlighting Samsung’s continued commitment to supporting its older flagship models with timely software improvements.
According to the update details, the firmware carries the January 1, 2026, security patch level, which addresses multiple vulnerabilities discovered in previous versions. These fixes are aimed at improving overall system security and protecting user data against potential threats. Samsung notes that after installing this update, users will not be able to downgrade to earlier software versions due to updated security policies.
The update package is relatively small, with a download size of around 278 MB, making it convenient for users to install without requiring excessive storage or long download times. While no major new features are mentioned in the changelog, users can expect better system stability, improved reliability, and smoother day-to-day performance after installation.
As with most Samsung updates, availability may vary depending on region, model variant, and network operator. Galaxy S21 FE users are advised to regularly check for updates through the Software Update section in device settings to ensure they receive the latest version as soon as it becomes available. Keeping the device up to date helps maintain optimal performance and ensures access to the latest security enhancements provided by Samsung.