Ashutosh Singh

How to Install Stable Android 12 on Galaxy S21

Samsung announces the stable Android 12 based One UI 4.0 for the Galaxy S21, S21+ and S21 Ultra. It is available from today i.e. November 15th.

Video Courtesy: Samsung

If you have a Galaxy S21 phone, you can get the update. Here’s how to Install Android 12 based One UI 4.0 update on Galaxy S21 phones.

Video Courtesy: Samsung

Currently stable Android 12 is going live in South Korea and Europe. In a few days it will be available for users in other regions.


To manually update your S21 phone to Android 12, go to Settings > Software Update. It will display the One UI 4.0 update once it is available.

Video Courtesy: Jimmy is Promo

If the update is available click on Download & Install button to initiate Android 12 update installation. You may need to restart your device.

IMG: Unsplash

You can install the One UI 4.0 update immediately, by downloading the firmware from frija or Firmware Downloader.

IMG: Samsung

After downloading the correct (region & model) Firmware, install it through Odin Tool. If you are not aware of this process, would suggest you wait for the OTA update.

IMG: Unsplash

As the OTA update will be available in batches, you may need to wait for a few days. Make sure to keep checking for the update in Settings > Software Update.

IMG: Unsplash

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