Getting started

Just new to this, but I downloaded a few roms for the NDS & noticed that a few of them will not play. Keep getting an error message that the save file cannot be found.Can any experts out there help?

Try reading this.
https://www.romulation.org/forum/index.php?topic=1462.0

Flashcard?
Firmware?
games?

It is when I have opened some games on the NDS console from my r4 card, am I right in saying that I nedd an ARM7 patch?

Replying to #4

Some of them require that...