Samsung has issued another update to the Galaxy S21 Ultra 5G, and it is over 1.1 GB in size. The update addresses a few issues for the flagship while also bringing the device onto the May 2021 security patch.
https://www.notebookcheck.net/Samsung-rolls-out-a-1-1-GB-update-to-the-Galaxy-S21-Ultra-5G.535938.0.html