https://wccftech.com/galaxy-s21-series-now-receiving-january-security-update/

Less than a week into the new year and Samsung has started to deliver a new gift to the Galaxy S21 owners. After delivering the Android 12 update to a number of devices, the company is now seeding the January security update to all Galaxy S21 devices.

The Galaxy S21 family is currently receiving the update that comes with the firmware version G99xBXXU4BULF and is currently rolling out in the Netherlands. However, those who own the device should expect the update to hit the other regions really soon.