Well, this seems to be the latest beta for your board. At least I cannot find anotherone here nor on GB-website with the GB Bios Scanner provided in the forums here....

B550 VISION D-P (rev. 1.x)
https://download.gigabyte.com/FileLi...n-d-p_f15a.zip

B550M AORUS PRO-P (rev. 1.0)
https://download.gigabyte.com/FileLi...pro-p_f15a.zip

Aorus Master B550 F15b available:
https://download.gigabyte.com/FileLi...aster_f15b.zip
Agesa 1.2.0.6b according to UEFI Tool

B550I AORUS PRO AX (rev. 1.1) F16b:
https://download.gigabyte.com/FileLi...ro-ax_f16b.zip

B550 AORUS PRO AX (rev. 1.1) F16a:
...

So, updated my B550 Aorus Master to F14 final. Did slight RamOC (3600 to 3666), tweaked subtimings slightly, as they were with previous Bios revisions. No USB-problems so far, no instabilitys. All tests and benchmarks I ran were in a range from -2 to +3% compared to older results, so everything within...

News for B550 Aorus Master:

Watch Taiwan site. There is a final F14 listed, dated to 2022/01/13 with 1.2.0.5 https://www.gigabyte.com/tw/Motherbo...upport-dl-bios

But not downloadable until now.

https://download.gigabyte.com/FileLi...s-pro_f14e.zip for rev 1
https://download.gigabyte.com/FileLi...ro-v2_f14e.zip for rev 2

/Edit: small hint for all members: left-click on latest bios and change the last 3 or 4 characters before the zip-file-ending. I. e. change yyyyy_F13.zip...

Try CTRL+F6 ;)...

F14c seems to be out for B550 Aorus Master, too, but still Agesa 1.2.0.3b:
https://download.gigabyte.com/FileLi...aster_f14c.zip
https://www.gigabyte.com/us/Motherboard/B550-AORUS-MASTER-rev-10/support#support-dl-bios

F35b for X570 Aorus Master 1.1 / 1.2:
download.gigabyte.com/FileList/BIOS/mb_bios_x570-aorus-master_f35b.zip...

Well that's not always as simple or do you know, how they were hacked. Some malware is installed in systems for quite a long time. So you have to find the weak spot first. Rebuilding from perhaps infiltrated backups is not a good idea ;)...

Look here: https://www.gigabyte.com/Motherboard...upport-dl-bios. Again: after gigabyte.com there should be only /Motherboard! No /us/ mottherboard oder /fr/motherboard......