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Apple releases SMC Firmware Update battery fixes for MacBooks

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Apple has released a slew of SMC Firmware Updates for all of its MacBook computers. The updates are for all MacBook models between mid-2012 and mid-2013, including the MacBook Air, MacBook Pro and MacBook Pro with Retina display and fixes significant battery issues many users were experiencing.

MacBook Pro's SMC Firmware Update 1.8

This update is recommended for MacBook Pro (mid 2012) models.

This update addresses rare issues where the battery unexpectedly stops functioning or the system hangs when the battery charge reaches less than 1 percent.

MacBook Pro Retina SMC Update 1.2

This update is recommended for 13-inch MacBook Pro with Retina display (late 2012) models, and 15-inch MacBook Pro with Retina display (mid 2012) models.

This update addresses rare issues where the battery unexpectedly stops functioning or the system hangs when the battery charge reaches less than 1 percent.

MacBook Air SMC Update 1.9

This update is recommended for MacBook Air (mid 2012 and mid 2013) models.

This update addresses rare issues where the battery unexpectedly stops functioning, the system does not recognize the battery or the system hangs when the battery charge reaches less than 1 percent.

All updates can be downloaded by running Software Update on the respective MacBooks.

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