Apple has released an EFI firmware update for 2012 iMac and 13" MacBook Pro models

MacBook Pro Retina EFI Update v1.1


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

File Size: 4.76 MB

System Requirements: Mac OS X 10.8.1 and greater, EFI version 0106.01

  Apple releases 2012 MacBook and iMac firmware updates