Apple Releases 'Mac Wi-Fi Update 1.0' to Fix 5GHz Wi-Fi Issue

Apple has released an update for recently released Mac systems that improves compatibility when using 5GHz Wi-Fi frequencies. The update is recommended for all "late 2012" Macs.

Mac Wi-Fi Update 1.0 can be downloaded from Apple's support site or through the Mac App Store on affected Macs.

About Mac Wi-Fi Update 1.0

This update is recommended for all late 2012 Mac systems. This update improves compatibility when using the 5GHz band in Wi-Fi.

Boot ROM or SMC Version Information: To confirm the update has been applied, the CFBundleVersion string of the AirPortBrcm4311.kext will need to be checked.

New driver delivered in update: AirPortBrcm4331.kext CFBundleVersion = 612.20.15