The End Is Near for the Samsung Galaxy S21 Series: Updates Have Officially Ended

Galaxy S21 Updates End, Every smartphone model has a certain lifespan, and this lifespan is mostly determined by software updates. The latest situation coming from Samsung’s side has revealed that one of the most popular Android flagship series of its time, the Galaxy S21 series, will no longer receive updates. As of February 2026, the Galaxy S21 family has completed its official software support period.

Why Is the Galaxy S21 Series So Much in the Spotlight?

Samsung is among the brands that clearly state from the beginning how long they will provide Android and security updates for their devices. Once this period ends, the models no longer receive active support, even if they are still fully functional. Unfortunately, one of the once very popular series affected by this situation is the Galaxy S21, whose update support has now come to an end.

According to the shared reports, the Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra models are no longer included in Samsung’s update plans. This means that these devices will not receive new Android versions or regular security patches.

Which Phone Models Are No Longer Supported?

The models whose update support has ended are as follows:

• Galaxy S21
• Galaxy S21+
• Galaxy S21 Ultra

These models may only receive an update in the very rare case of a critical and urgent security issue. Apart from that, there will definitely be no new features or version upgrades.

Update History of the Galaxy S21 Updates End

The Galaxy S21 updates end series was introduced globally in January 2021 and attracted significant attention. Samsung stated that it would provide a total of four major Android updates for this series—and it delivered on that promise.

The updates the devices received were as follows:

• Android 12 – One UI 4 (November 2021)
• Android 13 – One UI 5 (November 2022)
• Android 14 – One UI 6 (December 2023)
• Android 15 – One UI 7 (May 2025)

The final update was Android 15-based One UI 7.0, released in November 2025.

What Does This Mean for Active Users?

Users of the Galaxy S21 updated end S21 series will of course be able to continue using their devices, but over time they may face security risks and application compatibility issues.

What Do Samsung’s Update Plans Indicate?

The Galaxy S21 series being removed from update support also shows that Samsung has kept its update promises. In recent years, the company has extended update periods for newer models even further. This indicates that future Galaxy models will remain supported for much longer periods.