custom-install is a new homebrew that allows you to install 3DS CIA files to your SD, with just a PC | GBAtemp.net - The Independent Video Game Community
How to get the Homebrew Launcher on 3DS | Code Donut
I'm using this new micro sd card in my 3ds, it's formatted to fat32 with 32kb clusters and is detected normally in my pc, but I get a could not detect microsd