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
March 23, 2004
Version: Apple Wireless Keyboard/Mouse 1.1
This review was originally posted on VersionTracker.com. No problems at all with update, or usage after. But just what did this version fix? It seemed to work fine before, if a little slow to recognize on the first use after power-on.