Apple Releases ‘Mac Wi-Fi Update 1.0’ for Late 2012 Macs

Posted in Apple News, Mac on 19/12/2012 by J. Glenn Künzler


Apple has released a new update for it’s most recent Macs, fixing an issue that caused issues with 5GHz wireless networks on affected Macs. The update requires OS X 10.8.2 in order to be applied.

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

The update is available now through the Mac App Store on affected Macs, as well as for direct download from Apple’s support site.


J. Glenn Künzler

Glenn is Managing Editor at MacTrast, and has been using a Mac since he bought his first MacBook Pro in 2006. Now he's up to his neck in Apple, and owns an old iBook, a 2012 iMac with an extra Thunderbolt display for good measure, a 4th-generation iPad, an iPad mini, 2 iPhones, and a Mac Mini that lives at the neighbor's house. He lives in a small town in Utah, enjoys bacon more than you can possibly imagine, and is severely addicted to pie.