Question about Gigabyte B550 Aorus elite AX V2

I wanted to use a 5800X on the MB. That didn't work at first. I then updated to 13a. The update went via a stick without a CPU, yes.

Can't tell you the exact version, but I just installed it last week, so that's why:
If you want to install the latest Windows 10 version, you have to update the bios.