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Apple Releases Battery Fix SMC Firmware Update for MacBook Air, MacBook Pro and Retina MacBook Pro

Apple today released MacBook Air SMC update 1.9, along with MacBook Pro SMC Firmware update 1.8 and Retina MacBook Pro SMC update 1.1.

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The MacBook Air update is recommended for all MacBook Air models from mid 2012 to mid 2013 and addresses an issue that causes the battery to unexpectedly stop functioning.
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 one percent.
The MacBook Pro update is recommended for mid 2012 models and also addresses the same issue that causes the battery to stop functioning.
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 one percent.
The Retina MacBook Pro update is recommended for late 2012 13-inch Retina MacBook Pros and mid 2012 15-inch Retina MacBook Pros, fixing the same issue.
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 one percent.
The updates for the MacBook Air, the MacBook Pro, and the Retina MacBook Pro can be downloaded from Appleā€™s support site or via the Software Update tool in the Mac App Store.

Top Rated Comments

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13 months ago
still waiting for the firmware update that addresses the lack of Haswell
Rating: 15 Votes
13 months ago
When I saw the words "Apple Releases" and "MacBook Pro", my heart stopped for a moment...
Rating: 15 Votes
13 months ago
Thanks. I downloaded and installed.
Rating: 5 Votes
13 months ago
Still waiting for a firmware update to address the lack of 17 inch retina. :p

still waiting for the firmware update that addresses the lack of Haswell

Rating: 4 Votes
13 months ago

or the system hangs when the battery charge reaches less than one percent.


Does this mean my system won't shut off when the battery dies anymore? That's always bugged me when that happens...
Rating: 3 Votes
13 months ago

When I saw the words "Apple Releases" and "MacBook Pro", my heart stopped for a moment...

Same Here!
Rating: 1 Votes
13 months ago
Just installed on my 2013 MBA and, unlike the previous firmware update, this one can be applied with Filevault still activated.
Rating: 1 Votes
13 months ago

Does this mean my system won't shut off when the battery dies anymore? That's always bugged me when that happens...


What bugs me is when it refuses to turn on when there's less than a certain amount of battery power. I could quickly get a couple files off there to play on my Surface ... but no, it won't let me.
Rating: 1 Votes
13 months ago

These firmware updates happen super fast on a SSD based Air.


I think its because the update is like 250 kilobytes in size not because of the ssd
Rating: 1 Votes

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