In Samsung's February 2026 security updates (first spotted by SamMobile), the Galaxy S21, S21+, and S21 Ultra are nowhere to be seen, indicating that they've reached their end of support. The only phone from this line still listed was the S21 FE 5G, which makes sense, since it was released a year after the rest of the S21 line. That means these phones will no longer get regular monthly or quarterly security updates, although if a critical vulnerability pops up, Samsung might still issue an emergency fix.
As far as browsing the internet, watching videos, and scrolling social media apps goes, your Galaxy S21 phone should still hold up well. Gaming and other more demanding tasks might suffer, but there shouldn't be anything physically wrong with your phone aside from aging. The problem comes when you start to consider safety.
Getting hit by one of these hacks might be rare, but it's not a good idea to leave yourself open to the possibility if you can avoid it. It's like driving in a car without a seatbelt—you probably won't get in a crash, but you'll wish you had one if you do. Upgrading to a phone getting official security updates from the manufacturer is the best way to ensure your handset has the most up-to-date safety, but if you can't, there are a few steps you can take to protect yourself.
Install Google Play System Updates to enhance security on an unsupported phone
These won't close all vulnerabilities, but they do allow Google to patch holes in media codecs and components, permissions, and a few other features hackers like to exploit, even on devices that no longer get official manufacturer support. "With Project Mainline, we can deliver faster security fixes for critical security bugs," the company said in a blog post. "For example, by modularizing media components, which accounts for nearly 40% of recently patched vulnerabilities."
System > Software updates. Here, you'll see a date showing which Google Play system update your phone is running. These should normally update manually every month, but if the date looks a little old, you can simply tap it to search for a fresh update and download it.
When you should upgrade your Samsung phone
For now, though, keep in mind that any Samsung phone released before 2024 is going to face an end-of-life sooner than you might think, so it's time to start planning for it accordingly. The company might have moved on to seven years of updates now, but that promise doesn't apply retroactively. So Galaxy S22 owners, it's time to start thinking about what you'll do with your own devices next year.
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