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Apple issues SMC and Firmware update for all unibody MacBooks

Today, Apple issued both SMC and Firmware updates for their entire line of unibody MacBook computers, and the MacBook Air. Read on to discover what was changed for each system, and how you can get the updates.

MacBook
SMC Firmware Update 1.2 (Download Page)
This update "improves the sensing and accuracy of the MagSafe Power Adapter indicator light, and the battery charge indicator lights on the MacBook (late 2008) model."

EFI Firmware Update 1.3 (Download Page)
This update "fixes several issues to improve the stability of the MacBook (Late 2008) model."

MacBook Pro 15"
SMC Firmware Update 1.2 (Download Page)
This update "improves the sensing and accuracy of the MagSafe Power Adapter indicator light, and the battery charge indicator lights on the MacBook Pro (late 2008) model."

EFI Firmware Update 1.6 (Download Page)
This update "fixes several issues to improve the stability of the MacBook Pro (Late 2008) model."

MacBook Air
SMC Firmware Update 1.1 (Download Page)
This update "improves the sensing and accuracy of the MagSafe Power Adapter indicator light, and the battery charge indicator lights on the MacBook Air (late 2008) model."

EFI Firmware Update 1.1 (Download Page)
This update "fixes several issues to improve the stability of the MacBook Air (Late 2008) model."


To download these updates, you can either launch Software Update (Apple menu > Software Update), or download the appropriate installer packages from the Apple Support Download website. There are additional installation instructions that you will need to follow after the download completes.

Has this update improved your MacBook/Pro/Air's performance? After you install, come back here and let us know!

Update: As our commenters have pointed out, older MacBook and MacBook Pro models do not require these updates. Our apologies to everyone who has been frantically clicking Software Update.

Thanks to everyone who sent this in!

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