Apple's firmware updates that were released yesterday have been installing properly for most people; however, a few people have run into problems when trying to apply the patch. After running AirPort Utility's firmware update option, the utility will fail and show a fairly generic-sounding error that states "An error occurred while updating the firmware."
If this happens, there are several things you can try to get the firmware to update:
Update AirPort UtilityInstallation of the latest firmware update is recommended to be done through the latest AirPort Utility release (currently version 5.5.2). Check the … Read more