EFI Firmware upgrade questions

Discussion in 'macOS' started by louis731, Sep 27, 2009.

  1. louis731 macrumors newbie

    Joined:
    Sep 23, 2009
    #1
    Im planning to upgrade the firmware on my MBP.

    One concern I have is, is EFI firmware universally safe to run on all MBP models?

    And, is a firmware update include all changes in the previous version of updates? Or, on the other hand, should I install the update one version after another until it's full up to date?

    Thanks
     
  2. larkost macrumors 6502a

    Joined:
    Oct 13, 2007
    #2
    Use Software Update to get the proper EFI updaters for a computer. I believe they will only update the computers that they are designed for. And within that parameter you should be safe, and will only need the single updater.
     
  3. gr8tfly macrumors 603

    gr8tfly

    Joined:
    Oct 29, 2006
    Location:
    ~119W 34N
    #3

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