Samsung Galaxy S21 customers have finally received a solid One UI 4 update after a one-and-a-half-month beta testing period. The massive update is rolling out to the users in all the major countries that took part in the beta program.

Samsung has officially announced it today, along with the release schedule in South Korea. The Galaxy S21, S21+, and S21 Ultra smartphones are getting a slew of new features, updates, and enhancements in the latest Android software update.


With the launch of Android 12 and One UI 4 Beta, Samsung has introduced new Material You design theme for the system. It has also enhanced user privacy and security features.

In order to deliver better services, Samsung has chosen to eliminate all advertisements from its stock apps. It’s 222MB in size for beta users because they already have the essential files installed on their devices. The November security patch is included, and it’s available in all countries that that participated in the beta program.

The South Korean roadmap for Android 12 indicates that the update would be available for foldable phones first, and then for the older flagship models.

In terms of functionality, One UI 4 has a number of handy additions such as new widgets, extremely smooth app opening, and closing animations, a redesigned quick panel, automatic dark mode for backgrounds, icons, and images, and a new charging motion.

ONE UI 4 UPDATE for Galaxy S21

This Android 12 stable build improved the Galaxy S21’s performance by integrating a new weather app, removing advertisements from all apps, including stock apps, and making a few other tweaks.

How to update Galaxy S21 to One UI 4

Samsung Galaxy S21 line users can now upgrade their phones to the newest One UI 4 stable build.
Starting today Galaxy S21 users will receive the One UI 4.0 (Android 12) update via OTA.

In case you’ll not get the update notification, simply head over to the Settings app, navigate to Software updates and then download the newest software aka Android 12.

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