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Monday, December 17, 2012, 01:46 pm PT (04:46 pm ET)

Apple releases Mac Wi-Fi compatbility, firmware updates for Retina MacBook Pro and new iMac

Apple on Monday released Mac Wi-Fi Update 1.0 to improve compatibility over networks using the 5GHz spectrum, as well as separate incremental EFI updates for late 2012 iMac and 13-inch MacBook Pro with Retina display models.

Wi-Fi


Recommended for all late 2012 Macs, the Wi-Fi Update is meant to improve protocol compatibility in the 5GHz band, a problem some users have been seeing with their new machines.

In multiple threads on Apple's Support Communities webpage, owners of recently-released iMacs and Retina MacBook Pros complained their computers were unable to recognize 802.11n networks on the 5GHz band.

The 13-inch MacBook Pro with Retina display and newly-redesigned iMac also received updates on Monday, bringing their respective firmware versions up to v.1.1 and v2.0. Along with the Wi-Fi compatibility support, both downloads bring improvements to sleep performance and Thunderbolt router support, while the MacBook Pro update fixes an HDMI display issue.

Apple's Mac Wi-Fi Update 1.0, MacBook Pro Retina EFI Update v1.1 and iMac EFI Update 2.0 weigh in at 1.49 MB, 4.76 MB and 4.32 MB,m respectively. All updates can be downloaded through Software Update or Apple's Support Downloads webpage.