GitHub - DarkMatterCore/3ds-multinand: 3DS Multi EmuNAND Creator - Allows the user to inject/extract NAND dumps to/from the storage area reserved in the SD card by tools like Gateway's Launcher.dat and EmuNAND9.
Gateway 3DS User Manual | Manualzz
Gateway Emunand Offline Update for Nintendo 3DS / 3DS XL and 2DS [9.5.0-23 EUR / USA] | Digiex
EmuNAND Luma3DS | Theme Plaza
Request] a tweak like emuNAND on 3ds for devices with more space, 64GB and up? : r/jailbreak
Adding a Japanese EmuNAND in USA Nintendo 3DS – Excerpts of the Regginator