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mbp9.2

  1. fedeforos

    Upgrading: most responsive, stable macOS for MBP9,2?

    Hi, all. I am trying to update this machine for a friend. In your experience: 1. Which would be the most responsive, stable macOS for MBP9,2 as per the pics attached? 2. Is there any particular hardware upgrade worthwile, or simply not worth the pain for the price and trouble involved? I am...