You can follow this guide to setup CFW, base on your firmware you can use soundhax as entrypoint. https://3ds.hacks.guide/installing-boot9strap-(soundhax)
After hacking move your emunand to your sysnand.
https://3ds.hacks.guide/move-emunand
hi everyone, need to go from gateway 3ds to luma, when i hold select and power on, it goes to regular home screen. but if i navigate to settings and profile and nintendo ds profile i see the dragon and the gateway 3d menu. from here i can boot...
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi