If you meant to ask for something else—like how to apply an official patch or troubleshoot a legal copy—please clarify, and I’ll be happy to help within those bounds.

For users with a legally dumped copy of their own cartridge (allowed only in certain jurisdictions for backup purposes), an update .nsp can be applied via tools like or Tinfoil – but only if you own the original game and the update was dumped from your own console. Sharing such files remains illegal.