Samsung's Galaxy S21 series, including the S21, S21 Plus, and S21 Ultra, will now receive quarterly updates instead of monthly updates.

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

We’re now keeping our phones longer between upgrades, which is why the guaranteed minimum support periods are extending ...

How to Enable Samsung Galaxy AI Features on older devices. Activate Galaxy S25 AI tools on any Samsung phone, including older models like S24, S21 FE and A14. Follow this easy guide.