Summary
Samsung's Galaxy S21 smartphone series has reached the end of its software support period, which may cause security risks for users. The last security update was likely in January 2026, and the phones may no longer receive protection against new threats.
Key Facts
- The Galaxy S21 series was released in January 2021 and was promised five years of security updates.
- The last security patch, addressing 55 vulnerabilities, was released as firmware G99xNKSSCHZA5.
- Samsung has not formally announced the end of support for the Galaxy S21 series.
- Without updates, the phones may be more vulnerable to malware and hacking.
- Newer Samsung models, like the Galaxy S25 and S26, offer longer support of up to seven years.
- Trade-in values for the Galaxy S21 are currently around $100 for upgrading to a new model.
- Samsung is expected to release the Galaxy S26 series soon, providing an upgrade opportunity.
- Galaxy S21 devices will continue to work but without guaranteed security updates.
