Patching a 3DS Rom with Game Update

Discussion in '3DS - ROM Hacking, Translations and Utilities' started by ganons, Sep 8, 2019.

  1. ganons
    OP

    ganons GBAtemp Addict

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    Jun 12, 2005
    Is it possible to patch a 3DS rom with a game update? Now that Citra is somewhat taken off on Android, would prefer updates patched into games as dont want install/create more files on the phone.
     
  2. ThoD

    ThoD GBATemp Addict (apparently), but more like "bored"

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    Sep 8, 2017
    Greece
    Unpack the .3DS file with a program like HackingTooklit9DS (or 3DS), then do the same for the update. Copy the update files over the extracted .3DS files overwriting anything if needed, then repackage into a .3DS file, that's all. Just make sure to not mess up the HeaderFS or some pointers and you are good to go!
     
  3. ganons
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    ganons GBAtemp Addict

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    Jun 12, 2005
    Thanks, tried with that tool but it black screens.
     
  4. ganons
    OP

    ganons GBAtemp Addict

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    Jun 12, 2005
    Have tried both encrypted and decrypted but doesn't work
     
  5. ganons
    This message by ganons has been removed from public view by Quantumcat, Oct 17, 2019, Reason: Bumping.
    Oct 17, 2019
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