Apple | Apple MacBook Pro Retina EFI Update 1.2
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Author:
Apple, Inc.
Date: 11/08/2013 10:05 AM Size: 5.22 MB License: Freeware Requires: OS X 10.9 Downloaded: 3702 times 
TIP:
MacKeeper app delivers a secure and private internet experience, while helping your Mac run like new.
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This update addresses an issue which, in rare cases, may limit the performance of the discrete graphics processor after a system wake or boot.
Mac OS X 10.9
MBP112.88Z.0138.B00.1310031144 (EFI 0138.00)