What firmware version does Mario & Luigi US require?

Discussion in '3DS - Games & Content' started by Starzboy77, Aug 11, 2013.

  1. Starzboy77
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    Starzboy77 GBAtemp Regular

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    I know the EU requires 5.1. Any confirmation of the US version?
     
  2. Starzboy77
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    Starzboy77 GBAtemp Regular

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    I'll answer my own question since I bought it. I'm on 5.1 and it did not force me to update.
     
  3. Schizoanalysis

    Schizoanalysis From somewhere inside the rabbit hole...

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    It's known to be 5.1.
    Which is why the rom can't be used with Gateway.