Sorry this is such a 'dumb' question Not a dumb question at all. Put the serial numbers into this [1] site. [1] - https://support-en.wd.com/app/firmwareupdat

Sorry this is such a 'dumb' question Not a dumb question at all. Put the serial numbers into this [1] site. [1] - https://support-en.wd.com/app/firmwareupdate https://support-en.wd.com/app/firmwareupdate