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Gateway_ROM_Patcher_v1.0 2017-06-25


  1. spud1966
    Gateway's cartridge dumper (firmware v2.1 and later) injects few additionnal bytes into 3DS ROM headers.
    These data are used by the flashcard to enable game's online features.

    "Gateway ROM patcher" is a Windows utility which fastly manage this header area if you want to share,
    remove, or inject your own data into 3DS ROMs.