In recent weeks, Samsung has been doing a great job at rolling out Android 11 to its eligible devices. Coming to Galaxy A21s, It was scheduled to receive Android-11 based One UI 3.0 update in May 2021. But, the update has already started rolling out in South Korea ahead of the scheduled plan.
The Android 11 (One UI 3.0) update for Galaxy A21s carries firmware version A217NKSU5CUC7. As of now, we don’t have the complete changelog, but it should bring features like improved single take, object eraser tool, private share, Google Home smart device control, chat bubbles, permission auto-reset, improves dynamic lock screen, and an improved UI.
Currently, the update is reaching South Korean users of Galaxy A21s, but soon, it may reach other regions well. Users who are yet to receive the update can manually check the status by heading to Settings >> Software update.