Apple has released Wi-Fi, EFI updates for 2012 Macs
Apple has released an EFI update. This EFI Update is for the new iMac and the 13-Inch Retina Display MacBook Pro. iMAC EFI Update 2.0 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. And MacBook Pro Retina EFI Update v1.1 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.
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