Apple Issues SMC Firmware Update for MacBook, MacBook Pro, and MacBook Air Models

Posted in Apple News, Mac on 31/01/2013 by J. Glenn Künzler


Apple released an SMC update today for many of their 2010 and 2011 MacBooks, fixing a bug which could affect the battery performance of the affected devices. There are three separate versions of the update, for the MacBook, the MacBook Pro, and the MacBook Air.

Software Update

From the release notes:

About the update:

This update addresses a rare issue on some Apple notebooks where a battery that has accumulated more than 1000 charge cycles may unexpectedly shut down or stop functioning.

The updates are available now through Software Update on eligible Macs, as well as for direct download from Apple using the above links. MacRumors provides a list of every MacBook eligible for the update:


  • MacBook7,1 (13-inch, Mid 2010)

MacBook Air

  • MacBookAir3,1 (11-inch, Late 2010)
  • MacBookAir3,2 (13-inch, Late 2010)
  • MacBookAir4,1 (11-inch, Mid 2011)
  • MacBookAir4,2 (13-inch, Mid 2011)

MacBook Pro

  • MacBookPro7,1 (13-inch, Mid 2010)
  • MacBookPro8,1 (13-inch, Early 2011 or Late 2011)


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.