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About MacBook Air SMC Firmware Update 1.2 adds compatibility for the latest service replacement batteries.

For more information, please visit


To complete the firmware update process, please follow the instructions in the updater application (/Application/Utilities/MacBook Air SMC Firmware The updater will launch automatically when the installer closes.

Boot ROM or SMC Version Information: After this update has successfully completed, your SMC Version will be: 1.23f20 (M82)
After this update has


  • Mac OS X 10.5.7 or later
  • MacBook Air.

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Apple MacBook Air SMC Firmware Updater User Discussion


Current Version (1.x)


Downloads 2,797
Version Downloads 1,461
License Updater
Date 29 Jun 2009
Platform OS X / Intel 32
Price Free
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