It’s the end of the line for Samsung’s Galaxy S21, S21+, and S21 Ultra | Infinium-tech
While Samsung’s latest flagships get seven years of security updates (and seven major Android OS updates), that’s not always the case. And so, five years after its release, the Galaxy S21, S21+ and S21 Ultra will not be receiving any updates from now on.
All three were launched in January 2021, and each of them was promised to receive four major Android updates and five years of security patches. Those five years are over now. So, if you have one of these three phones, now is probably the best time to start looking for a replacement, as you will no longer receive important security updates.

It’s easy to recommend the Galaxy S25, S25+, and S25 Ultra, as they’re part of the same flagship line and should get some hefty discounts when their successors launch in a few weeks.

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