The May 2021 security patch was recently announced, and it is now available for the Galaxy S21 flagship series. At first, the update will only be available in a few countries, but it will gradually expand to include more in coming days.
In Europe, the Galaxy S21 series has received the May 2021 security patch, with firmware version G99xBXXU3AUDA. A hefty 1.2GB firmware update with additional updates – the changelog addresses Camera and Quick Share enhancements.
Changelog: The Galaxy S21 series
• The performance of the Camera has been improved
• Enhanced Quick Share – Improve file sharing between Galaxy devices using Quick Share.
• The security of your device has been improved.
Note: After updating, you will not be able to downgrade to the old software because of updates to the security policy.