Apple Releases MacBook Air EFI Firmware Update 2.1

Earlier today Apple released an EFI Firmware Update for the MacBook Air, which reaches version 2.1 and adds a number of fixes for Thunderbolt Displays and Target Disk Mode. Too, the update enhances performances of Lion Recovery when used through an Internet connection (to re-download Lion from Apple’s servers).

This update includes fixes 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.

The MacBook Air EFI Update will update the EFI firmware on your notebook computer. Your computer’s power cord must be connected and plugged into a working power source. When your MacBookAir restarts, a gray screen will appear with a status bar to indicate the progress of the update. It will take several minutes for the update to complete. Do not disturb or shut off the power on your MacBookAir during this update.

The new MacBook Airs were released on July 20, alongside the announcement of the new Apple Thunderbolt Display (the renamed Cinema Display), which packs Thunderbolt alongside an Ethernet port to allow for easy daisy-chaining of peripherals and network access. The Thunderbolt Display, priced at $999, is shipping in 2-3 weeks from Apple’s website, though the company announced the product in July with a 60 day shipping estimate. MacRumors reported last week Thunderbolt Displays were shipping to retail stores ahead of upcoming availability.

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Federico is the founder and Editor-in-Chief of MacStories, where he writes about Apple with a focus on apps, developers, iPad, and iOS productivity. He founded MacStories in April 2009 and has been writing about Apple since. Federico is also the co-host of AppStories, a weekly podcast exploring the world of apps, Unwind, a fun exploration of media and more, and NPC: Next Portable Console, a show about portable gaming and the handheld revolution.

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