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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 http://support.apple.com/kb/HT2368

To complete the firmware update process, please follow the instructions in the updater application (/Application/Utilities/MacBook Air SMC Firmware Update.app). 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 more...


  • Mac OS X 10.5.7 or later
  • MacBook Air.

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Current Version (1.x)


Downloads 2,695
Version Downloads 1,359
Type Utilities / System
License Updater
Date 29 Jun 2009
Platform OS X / Intel 32
Price Free
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