This page lists all files and folders that might be found on a 3DS' SD card, along with their uses.
Files
| File Name
|
Usage
|
| arm9loaderhax.bin
|
The payload chainloaded by arm9loaderhax.
|
| boot.firm
|
The firmware chainloaded by boot9strap and 3DS:fastboot3DS, usually Luma3DS.
|
| boot.3dsx
|
Usually the Homebrew Launcher, which is loaded both by exploits and by Luma3DS' Homebrew Launcher Loader.
|
| BOOT.NDS/boot.nds
|
When all uppercase, a payload for TWiLightMenu++. When all lowercase, usually the B9STool payload that is used in the frogtool/fredtool exploit.
|
| essentials.exefs
|
A backup of all unique system files. Initially created by GodMode9.
|
| movable.sed
|
The encryption key for all data inside the sd:/Nintendo 3DS folder. Required for various exploits that modify apps/games' savedata.
|
| safeb9sinstaller.bin
|
Boot9strap installer. Identical to the .firm version other than its format.
|
Folders
| Folder Name
|
Usage
|
| _nds
|
Created automatically by TWiLightMenu++ to store the payloads, data, and config needed for it to play DS games.
|
| _gba
|
Created automatically by TWiLightMenu++ to store the config needed for it to play GBA games.
|
| 3ds
|
Contains all .3dsx homebrew applications and their files.
|
| badges
|
Used to install custom badges via GYTB.
|
| CTGP-7
|
Contains all data and config for CTGP-7.
|
| DCIM
|
Contains all photos/videos/screenshots taken by the stock firmware, such as in Nintendo 3DS Camera.
|
| gm9
|
Contains scripts and exported files for GodMode9.
|
| luma
|
Contains configuration for Luma3DS, as well as additional payloads and custom game patches and files.
|
| Nintendo 3DS
|
Contains all digital games/their save files, extra data, DSiWare exports, and the installed theme(s).
|
| plugin
|
Contains all .plg plugin files for use with BootNTR.
|
| roms
|
Optionally created by TWiLightMenu++ to store game ROMs.
|
Exploit-Specific Files/Folders
| File/Folder Name
|
Usage
|
| boot9strap
|
Contains the boot9strap firm and a hash of it, for use in SafeB9SInstaller.
|
| browserhax_hblauncher_ropbin_payload.bin
|
The payload for super-skaterhax.
|
| otherapp.bin
|
Usually the payload for *hax/universal-otherapp, depending on the specific system version and exploit.
|
| arm11code.bin
|
Usually the payload for browser exploits. Exact contents will depend on the specific system version and exploit.
|
| Soundhax-<region>-<model>-<version>.m4a
|
The exploited sound file for Soundhax. The <region>, <model>, and <version> in the name are replaced with the values matching the specific console.
|
| mset9.command
|
The script file for the mset9 exploit. mset9.command is for macOS, while mset9.bat is for Windows.
|
| mset9.bat
|
