MacBook Pro Retina 13, iMac EFI Firmware Updates Released

Apple has released EFI Firmware Updates for the new MacBook Pro with 13-inch Retina display, as well as the new ultra-thin iMacs.

Release Notes for the MacBook Pro Retina EFI Firmware Update 1.1:

This update is recommended for all 13-inch MacBook Pro with Retina display (late 2012) models. This update improves sleep performance, enhances Thunderbolt router support, fixes an HDMI display issue, and improves compatibility when using the 5GHz band in Wi-Fi.

Boot ROM or SMC Version Information: After Update is complete:

Build version:  0106.03

ROM version:  MBP102.88Z.0106.B03.1211161133

Download the Retina update here.

Release Notes for the new Late 2012 iMac EFI Firmware Update 2.0:

This update is recommended for all iMac (late 2012) models. This update contains general performance fixes pertaining to sleep and Thunderbolt, and improves compatibility when using the 5GHz band in Wi-Fi.
Boot ROM or SMC Version Information: After Update is complete:

Build version:  010A.05
ROM version:  IM131.88Z.010A.B05.1211151146

Download the iMac update here.

In addition, Apple also released a Mac Wi-Fi Update for Late 2012 Macs. This includes the new Mac mini.

Release Notes for Mac Wi-Fi Update 1.0:

This update is recommended for all late 2012 Mac systems. This update improves compatibility when using the 5GHz band in Wi-Fi.

Boot ROM or SMC Version Information: To confirm the update has been applied, the CFBundleVersion string of the AirPortBrcm4311.kext will need to be checked.

New driver delivered in update: AirPortBrcm4331.kext CFBundleVersion = 612.20.15

/System/Library/Extensions/IO80211Family.kext/Contents/PlugIns/AirPortBrcm4331.kext/Contents/Info.plist

Download the Wi-Fi update here.

These updates can be either downloaded from the Apple Support site links given or through Software Update built in to OS X.

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