MacBook Pro EFI Firmware Update 1.5.1

System Requirements:

  • Mac OS X 10.4.11 or later

  • Mac OS X 10.5.2 or later

File Size: 4.9MB

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This update fixes several issues to improve the stability of MacBook Pro computers.

After the firmware is successfully applied to your Mac, your Boot ROM Version will be:

MBP21.00A5.B08 or MBP31.0070.B07

You can confirm the version of the Boot ROM installed on your computer using System Profiler.

To complete the firmware update process, please follow the instructions in the updater application (/Applications/Utilities/MacBook Pro EFI Firmware Update.app). The updater will launch automatically when the Installer closes.

For additional information, please visit: OS X Mountain Lion: Firmware updates may keep reappearing in the Mac App Store.

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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