iMac EFI Update 1.6

System Requirements:

  • Requires the Mac OS X 10.6.7 Update for iMac (early 2011) be installed

File Size: 2.72 MB

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This update includes fixes that improve performance and stability for Thunderbolt.

The iMac EFI Update will update the EFI firmware on your iMac computer. When your iMac 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 iMac during this update.

After the update Boot ROM version = IM121.0047.B0A

Supported Languages:  Dansk, Deutsch, English, Español, Français, Italiano, Nederlands, Norsk Bokmål, Polski, Português, Português (Brasil), Pусский, Suomi, Svensk, 日本語, 简体中文, 繁體中文, 한국어
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