ROM Hack Patching a 3DS Rom with Game Update

[ganons]

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.

 

[ThoD]

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!

 

[ganons]

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!

Thanks, tried with that tool but it black screens.

 

[ganons]

Have tried both encrypted and decrypted but doesn't work