If your motherboard is running okay with current BIOS verison, we do not recommand to update the BIOS.
Because there is a chance that update BIOS can cause BIOS data corrupt and system might not boot up properly.
If you do find compatible problem or need to support latest CPU on the market.
Update BIOS might be needed and please follow BIOS download page's pdf file or FAQ here for proper BIOS update procedure.
https://www.biostar.com.tw/app/en/support/faq_content.php?S_ID=491
