The Galaxy S21 entered the world in January 2021 with the swagger of a flagship promised four Android upgrades and five years of security patches—an early sign that Samsung was finally taking ...

After four years, monthly security updates have ended on the Galaxy S21 series as Samsung will now provide quarterly updates only.

One UI 7, the Android 15-based update for Galaxy devices, is coming to the Galaxy S21 series a little earlier than expected.

The Samsung Galaxy S21 series in the US is getting June 2025 update, but only some locked models… for now The update is only out for some carrier-locked variants of these phones… for now.