Word of advice, getting into hacking your 3DS requires a huge time commitment. And it looks like in your specific situation, you also need to invest in a Powersaves dongle, as well as a physical copy of Ocarina of Time 3D. In addition to all that, there's the process of actually hacking your 3DS. Which, if you don't follow certain parts of the guide exactly can turn your N3DS into a pretty fancy paperweight. In short, if you're willing to do this, you'll need:
- A Powersaves dongle.
- A physical copy of Ocarina of Time 3D.
- A shitload of time on your hands.
- A shitload of willingness to hack your 3DS.
- A shitload of patience.