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macbook pro early 2008

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    MacBook Pro 4,1 (early 2008) EFI Firmware version MBP41.00C1.B00 or MBP41.00C1.B03

    Hello, I'm puzzled regarding the EFI firmware version of this machine. My machine has version MBP41.00C1.B00, however I see many machines on the net of exact same model, CPU configuration and 15 inch size which has firmware MBP41.00C1.B03. I cannot find that firmware update anywhere, and it...