About MacBook Air EFI Firmware Update 1.0 This update fixes several issues to improve the stability of MacBook Air computers. To complete the firmware update process, please follow the instructions in the updater application (/Applications/Utilities/MacBook Air EFI Firmware Update.app). The updater will launch automatically when the Installer closes. After the firmware is successfully applied to your Mac, your Boot ROM Version will be:?MBA11.00BB.B03 You can confirm the version of the BootROM installed on your computer using System Profiler.

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