MSI MAG B550M Mortar WiFi

Update track record

releases tracked since 2020

25

typical gap between releases

~2 months

since the latest release

1 day

security-related releases · latest 2026-05-26

7

Why Keep Your Firmware Updated

Motherboard BIOS/UEFI firmware is essential for hardware initialization and CPU compatibility. Updates often include microcode patches for security vulnerabilities, support for newer processors and memory, and stability improvements. Always use a UPS or ensure stable power during BIOS updates — an interrupted flash can render the board unbootable.