Samsung Galaxy S21 users were a bit surprised to receive an update in November 2025. Earlier in the year, Samsung demoted the S21 line — models that are about five years old — to quarterly updates.

Samsung reduces Galaxy S21 update frequency to quarterly. S21 FE still gets monthly updates for now. Consider upgrading for better security. Discover the latest software update for your Galaxy S21 ...

After years of receiving major updates and security patches, the Samsung Galaxy S21 FE has entered the final chapter of its software support. The company has started rolling out the One UI 8 update on ...

This update decision comes as a surprise. Updated on Dec. 6 with a more detailed Android threat assessment and the news that Google has issued attack warnings for targeted users around the world.