Hot on the heels of the early 2011 iMac firmware update comes an EFI firmware update for the mid-2011 MacBook Air and Mac Mini. The new updates are labeled version 2.2 and 1.4 respectively. The updates are available via Software Update or direct download.
The updates address the following issues:
MacBook Air
This update fixes several issues to improve the stability of MacBook Air (mid 2011) computers and is recommended for all users.
This update includes fixes delivered in MacBook Air EFI Firmware Update 2.1 that enhance the stability of Lion Recovery from an Internet connection, and resolve issues with Apple Thunderbolt Display compatibility and Thunderbolt Target Disk Mode performance on MacBook Air (mid 2011) models.
Mac Mini
This update fixes several issues to improve the stability of Mac mini (mid 2011) computers and is recommended for all users.
This update includes fixes delivered in Mac mini EFI Firmware Update 1.3 that enhance the stability of Lion Recovery from an Internet connection, and resolve issues with Apple Thunderbolt Display compatibility and Thunderbolt Target Disk Mode performance on Mac Mini (mid 2011) models.
You can directly download the firmware update for the MacBook Air or Mac Mini if you need to upgrade multiple computers.