When searching for the file, avoid generic ROM sites that host the raw Japanese version. You specifically need of the English patch.

Installing Digimon World Re:Digitize Decode via an English CIA is the single best upgrade you can make to your 3DS library in 2025. The hunt for the keyword might be technical, but the reward is immense: a 100+ hour JRPG that respects your time and your nostalgia.

Now go raise your Digimon, don't let them poop too much, and save the Digital World.