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MacBook Air EFI Firmware Update 1.1

This update fixes several issues to improve the stability of MacBook Air (Late 2008) computers.

For more information, please visit:

For additional information, please visit: OS X Mountain Lion: Firmware updates may keep reappearing in the Mac App Store


Boot ROM or SMC Version Information: MBA21.0075.B03

File Size: 2.4 MB

System Requirements Supported Languages