How do you make a 3DS file a CIA file?
4:0910:06How to convert .3ds format to .cia format - YouTubeYouTubeStart of suggested clipEnd of suggested clipSelect the 3ds game file then choose on CSD image options then choose build CIA from 5. It willMoreSelect the 3ds game file then choose on CSD image options then choose build CIA from 5. It will begin converting the 3ds format to CIA format. Press a to continue.
Can Godmode9 dump DS games?
NDS cartiges can only be dumped as . nds files and cannot be installed (however, you can play them with emulators or flashcarts). If dumped and modified, these files can be used with Lumas LayeredFS feature to patch games. Many instructions here are adapted from Plailects Godmode9 Usage page.