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3DS:File list and 3DS:Troubleshooting: Difference between pages

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This page lists all files and folders that might be found on a 3DS' SD card, along with their uses.
The steps detailed here generally assume that your console has a modern custom firmware setup ([[3DS:boot9strap|boot9strap]] + [[3DS:Luma3DS|Luma3DS]] 8.0 or greater). If your console is running an older homebrew setup (for example, something based on [[3DS:arm9loaderhax|arm9loaderhax]] or [[3DS:menuhax|menuhax]]), you should [[3dsguide:checking-for-cfw|update your setup]] before trying these instructions.


== Files ==
=Power/notification light indicators=


{| class="wikitable"
|-
!File Name
!Usage
|-
|arm9loaderhax.bin
|The payload chainloaded by arm9loaderhax.
|-
|boot.firm
|The firmware chainloaded by [[3DS:boot9strap|boot9strap]] and [[3DS:fastboot3DS]], usually [[3DS:Luma3DS|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 [[3DS:GodMode9|GodMode9]].
|-
|movable.sed
|The encryption key for all data inside the <code>sd:/Nintendo 3DS</code> folder. Required for various exploits that modify apps/games' savedata.
|-
|safeb9sinstaller.bin
|Boot9strap installer. Identical to the .firm version other than its format.
|-
|}


== Folders ==
===My console powers off when I try to turn it on, and/or the notification LED shows a color on boot===


{| class="wikitable"
There is an issue with your <code>boot.firm</code> file. If you're running [[3DS:boot9strap|boot9strap1.4]], your 3DS notification LED may flash a certain color. This color is used to diagnose issues involving your <code>boot.firm</code> file on SD card or internal memory. On older versions of boot9strap, the blue light will power off almost immediately when trying to turn on the console.
!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 <code>.3dsx</code> homebrew applications and their files.
|-
|badges
|Used to install custom badges via [[3DS:GYTB|GYTB]].
|-
|CTGP-7
|Contains all data and config for [[3DS:Mario_Kart_7/CTGP-7|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 [[3DS:Game plugins/NTR|.plg plugin files]] for use with BootNTR.
|-
|roms
|Optionally created by TWiLightMenu++ to store game ROMs.
|-
|}


== Exploit-Specific Files/Folders ==
If the notification LED flashes:


{| class="wikitable"
* '''White''': Your 3DS was not able to find <code>boot.firm</code> on your SD card or on internal memory.
!File/Folder Name
* '''Magenta''': Your 3DS was not able to find <code>boot.firm</code> on your SD card. It was able to find <code>boot.firm</code> on internal memory, but the file is corrupted.
!Usage
* '''Red''': Your 3DS was able to find <code>boot.firm</code> on both your SD card and on internal memory, but both files are corrupted.
|-
|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/mset9.bat
|The script file for the mset9 exploit. mset9.command is for macOS, while mset9.bat is for Windows.
|-
|}


[[Category:Nintendo 3DS information]]
You can get a new <code>boot.firm</code> file by downloading the latest release of {{GitHub|/LumaTeam/Luma3DS/releases/latest|Luma3DS}}, extracting it, and placing <code>boot.firm</code> on the root of your SD card. If your <code>boot.firm</code> file is consistently being detected as corrupted, you may want to [[Checking SD card integrity|check your SD card for errors]]. Also, note that the 3DS tends to have issues with files extracted using WinRAR.
 
If you hear a "popping sound", potentially accompanied with the backlight turning on for a split second, there is a hardware issue with your console (such as a disconnected backlight cable). You may be able to get your console to boot by holding it at certain angles.
 
 
 
===My console gets stuck on a black screen with blue power light staying on===
 
Follow [[3DS:black screen unbrick| black screen unbrick]]
 
=Error message on boot=
 
===An error has occurred: Failed to apply 1 FIRM patch(es)" or "An exception has occurred -- Current process: pm"===
 
Your Luma3DS version is outdated. Download the latest release of {{GitHub|/LumaTeam/Luma3DS/releases/latest|Luma3DS}} and place <code>boot.firm</code> on the root of your SD card, replacing any existing file. Make sure you are extracting the ZIP file with any tool other than WinRAR, as it is known to cause issues with 3DS-related files.
 
===Unable to mount CTRNAND or load the CTRNAND FIRM. Please use an external one."===
There are a number of reasons as to why this could be happening. In any case, this error can usually be fixed by following the [[3DS:CTRTransfer|CTRTransfer]] guide.
 
 
==="An error has occurred. Hold down the POWER button to turn off the power..."===
 
ARM11 exception handlers are disabled, or custom firmware is not installed. Try enabling ARM11 exception handlers:
# Power off your console
# Hold (Select)
# Power on your console, while still holding (Select)
# If the "Disable ARM11 exception handlers" box is checked, uncheck it
 
===HOME Menu is missing installed applications===
 
This could be caused by various reasons, but most likely because your SD card is not being read by the system.
You can check if your SD is being read by holding SELECT on boot and checking the yellow text on the bottom screen; if it says "Booted from CTRNAND via B9S", then your console is booting from the internal memory and not from the SD card.
If this is the case, attempt the steps below, which are listed from easiest to hardest:
# Power off your console, remove the SD card, re-insert it, then power on your console
# Power off your console, remove the SD card, insert it on your computer, download the latest release of {{GitHub|/LumaTeam/Luma3DS/releases/latest|Luma3DS}}, extract <code>boot.firm</code> from the <code>Luma3DS.zip</code> and place it on the root of your SD card (replacing any existing file)
# Power off your console, remove the SD card, insert it on your computer and [[Formatting an SD card|reformat your SD]]  ''(this will wipe your SD card data)''
# Test your SD card for errors by following the guide according to your computer's operating system: [[Checking SD card integrity]]. If your SD card is marked as faulty, then you will have to replace your SD card
# Your SD card slot may be broken. Join [https://discord.gg/C29hYvh Nintendo Homebrew on Discord] for further assistance
 
===Blue "BOOTROM ERROR" screen===
 
Your console is likely hard-bricked. You will need to buy an [[3DS:ntrboot|ntrboot]] flashcart to reinstall [[3DS:boot9strap|boot9strap]] in order to attempt to fix your console. This may also indicate a hardware issue that cannot be fixed. In any case, join [https://discord.gg/C29hYvh Nintendo Homebrew on Discord] for assistance.
 
It is also possible that someone has set a boot-time [[3DS:splash screens|splash screen]] that just looks like a brick. Try leaving your console powered on, waiting on the blue screen, for five minutes.
 
===Some other error===
 
Please take a photo of the error and join [https://discord.gg/C29hYvh Nintendo Homebrew on Discord] for assistance.
 
 
=Software issues on consoles with custom firmware=
 
===DSi / DS functionality is broken or has been replaced with Flipnote Studio===
 
Follow [[3DS:TWLFix|TWLFix]]
 
===GBA Virtual Console and/or Safe Mode functionality is broken===
 
Your console is running Luma3DS 6.6 or older, likely via arm9loaderhax. You should follow [[3dsguide:a9lh-to-b9s|A9LH to B9S]] to update your console to a modern custom firmware environment.
 
===Extended memory mode games (Pokemon Sun/Moon, Smash, etc.) don't work===
 
This can occur after a [[3DS:CTRTransfer|CTRTransfer]] or region change on Old 3DS / 2DS. You will need to system format your console to fix this issue.
 
===Exception screen when booting/loading an application===
 
Look for your exception screen in [[3DS:Error screens/Luma3DS exception screen|this page]].
If you weren't able to find your error or the instructions didn't work, join [https://discord.gg/C29hYvh Nintendo Homebrew on Discord] for further assistance.
 
===Opening the HOME Menu settings crashes the console or loads the Homebrew Launcher===
 
Your console likely still has menuhax67 installed. To uninstall menuhax67 follow [[3DS:Troubleshooting/removing menuhax67|removing menuhax67]]
 
=Other troubleshooting=
 
===Unable to update console===
The steps below can be attempted in any order, but are listed from easiest to hardest to perform.
 
# If you are using Pretendo, switch to Nintendo Network with Nimbus
# Set your DNS settings to '''Auto'''
# Move closer to your WiFi router
# Update from Safe Mode by turning off the console, holding {{B|L|R|D-Pad Up|A}} on boot, and following the on-screen prompts
# Delete your WiFi connection, then reconnect to your WiFi again
# Reboot your WiFi router
# Connect to a different WiFi connection, like a mobile hotspot
# Nintendo servers may be down; Try again later
# If you still get an error, follow [[3DS:CTRTransfer|CTRTransfer]], then try again
# For further support (in English), [https://discord.gg/nintendohomebrew join Nintendo Homebrew on Discord]
 
===Clear HOME Menu extdata===
 
# Power off your console
# Insert your SD card into your computer
# Navigate to the <code>/Nintendo 3DS/<ID0>/<ID1>/extdata/00000000/</code> folder on your SD card
# Delete the corresponding folder for your 3DS region:
#* '''EUR Region''': <code>00000098</code>
#* '''JPN Region''': <code>00000082</code>
#* '''USA Region''': <code>0000008f</code>
#* '''CHN Region''': <code>000000A1</code>
#* '''KOR Region''': <code>000000A9</code>
#* '''TWN Region''': <code>000000B1</code>
# Reinsert your SD card into your console
 
===Clear HOME Menu theme data===
 
# Power off your console
# Insert your SD card into your computer
# Navigate to the <code>/Nintendo 3DS/<ID0>/<ID1>/extdata/00000000/</code> folder on your SD card
# Delete the corresponding folder for your 3DS region:
#* '''EUR Region''': <code>000002ce</code>
#* '''JPN Region''': <code>000002cc</code>
#* '''USA Region''': <code>000002cd</code>
# Reinsert your SD card into your console
 
===Multiple ID0===
 
If you have multiple long 32 character folders(ID0) inside your Nintendo 3DS folder, follow [[3DS:Troubleshooting/multiple ID0|this guide]]
 
===Multiple ID1===
 
If you have multiple long 32 character folders(ID1) inside your ID0, follow [[3DS:Troubleshooting/multiple ID1|this guide]]
 
===Manually entering Homebrew Launcher===
 
Follow [[3DS:Troubleshooting/manually entering homebrew launcher|manually entering homebrew launcher]]
 
===Turning off Parental Controls===
 
Follow [[3DS:Remove Parental Controls| Remove Parental Controls]]

Revision as of 10:52, 5 May 2024

The steps detailed here generally assume that your console has a modern custom firmware setup (boot9strap + Luma3DS 8.0 or greater). If your console is running an older homebrew setup (for example, something based on arm9loaderhax or menuhax), you should update your setup before trying these instructions.

Power/notification light indicators

My console powers off when I try to turn it on, and/or the notification LED shows a color on boot

There is an issue with your boot.firm file. If you're running boot9strap1.4, your 3DS notification LED may flash a certain color. This color is used to diagnose issues involving your boot.firm file on SD card or internal memory. On older versions of boot9strap, the blue light will power off almost immediately when trying to turn on the console.

If the notification LED flashes:

  • White: Your 3DS was not able to find boot.firm on your SD card or on internal memory.
  • Magenta: Your 3DS was not able to find boot.firm on your SD card. It was able to find boot.firm on internal memory, but the file is corrupted.
  • Red: Your 3DS was able to find boot.firm on both your SD card and on internal memory, but both files are corrupted.

You can get a new boot.firm file by downloading the latest release of Luma3DS, extracting it, and placing boot.firm on the root of your SD card. If your boot.firm file is consistently being detected as corrupted, you may want to check your SD card for errors. Also, note that the 3DS tends to have issues with files extracted using WinRAR.

If you hear a "popping sound", potentially accompanied with the backlight turning on for a split second, there is a hardware issue with your console (such as a disconnected backlight cable). You may be able to get your console to boot by holding it at certain angles.


My console gets stuck on a black screen with blue power light staying on

Follow black screen unbrick

Error message on boot

An error has occurred: Failed to apply 1 FIRM patch(es)" or "An exception has occurred -- Current process: pm"

Your Luma3DS version is outdated. Download the latest release of Luma3DS and place boot.firm on the root of your SD card, replacing any existing file. Make sure you are extracting the ZIP file with any tool other than WinRAR, as it is known to cause issues with 3DS-related files.

Unable to mount CTRNAND or load the CTRNAND FIRM. Please use an external one."

There are a number of reasons as to why this could be happening. In any case, this error can usually be fixed by following the CTRTransfer guide.


"An error has occurred. Hold down the POWER button to turn off the power..."

ARM11 exception handlers are disabled, or custom firmware is not installed. Try enabling ARM11 exception handlers:

  1. Power off your console
  2. Hold (Select)
  3. Power on your console, while still holding (Select)
  4. If the "Disable ARM11 exception handlers" box is checked, uncheck it

HOME Menu is missing installed applications

This could be caused by various reasons, but most likely because your SD card is not being read by the system. You can check if your SD is being read by holding SELECT on boot and checking the yellow text on the bottom screen; if it says "Booted from CTRNAND via B9S", then your console is booting from the internal memory and not from the SD card. If this is the case, attempt the steps below, which are listed from easiest to hardest:

  1. Power off your console, remove the SD card, re-insert it, then power on your console
  2. Power off your console, remove the SD card, insert it on your computer, download the latest release of Luma3DS, extract boot.firm from the Luma3DS.zip and place it on the root of your SD card (replacing any existing file)
  3. Power off your console, remove the SD card, insert it on your computer and reformat your SD (this will wipe your SD card data)
  4. Test your SD card for errors by following the guide according to your computer's operating system: Checking SD card integrity. If your SD card is marked as faulty, then you will have to replace your SD card
  5. Your SD card slot may be broken. Join Nintendo Homebrew on Discord for further assistance

Blue "BOOTROM ERROR" screen

Your console is likely hard-bricked. You will need to buy an ntrboot flashcart to reinstall boot9strap in order to attempt to fix your console. This may also indicate a hardware issue that cannot be fixed. In any case, join Nintendo Homebrew on Discord for assistance.

It is also possible that someone has set a boot-time splash screen that just looks like a brick. Try leaving your console powered on, waiting on the blue screen, for five minutes.

Some other error

Please take a photo of the error and join Nintendo Homebrew on Discord for assistance.


Software issues on consoles with custom firmware

DSi / DS functionality is broken or has been replaced with Flipnote Studio

Follow TWLFix

GBA Virtual Console and/or Safe Mode functionality is broken

Your console is running Luma3DS 6.6 or older, likely via arm9loaderhax. You should follow A9LH to B9S to update your console to a modern custom firmware environment.

Extended memory mode games (Pokemon Sun/Moon, Smash, etc.) don't work

This can occur after a CTRTransfer or region change on Old 3DS / 2DS. You will need to system format your console to fix this issue.

Exception screen when booting/loading an application

Look for your exception screen in this page. If you weren't able to find your error or the instructions didn't work, join Nintendo Homebrew on Discord for further assistance.

Opening the HOME Menu settings crashes the console or loads the Homebrew Launcher

Your console likely still has menuhax67 installed. To uninstall menuhax67 follow removing menuhax67

Other troubleshooting

Unable to update console

The steps below can be attempted in any order, but are listed from easiest to hardest to perform.

  1. If you are using Pretendo, switch to Nintendo Network with Nimbus
  2. Set your DNS settings to Auto
  3. Move closer to your WiFi router
  4. Update from Safe Mode by turning off the console, holding L+R+D-Pad Up+A on boot, and following the on-screen prompts
  5. Delete your WiFi connection, then reconnect to your WiFi again
  6. Reboot your WiFi router
  7. Connect to a different WiFi connection, like a mobile hotspot
  8. Nintendo servers may be down; Try again later
  9. If you still get an error, follow CTRTransfer, then try again
  10. For further support (in English), join Nintendo Homebrew on Discord

Clear HOME Menu extdata

  1. Power off your console
  2. Insert your SD card into your computer
  3. Navigate to the /Nintendo 3DS/<ID0>/<ID1>/extdata/00000000/ folder on your SD card
  4. Delete the corresponding folder for your 3DS region:
    • EUR Region: 00000098
    • JPN Region: 00000082
    • USA Region: 0000008f
    • CHN Region: 000000A1
    • KOR Region: 000000A9
    • TWN Region: 000000B1
  5. Reinsert your SD card into your console

Clear HOME Menu theme data

  1. Power off your console
  2. Insert your SD card into your computer
  3. Navigate to the /Nintendo 3DS/<ID0>/<ID1>/extdata/00000000/ folder on your SD card
  4. Delete the corresponding folder for your 3DS region:
    • EUR Region: 000002ce
    • JPN Region: 000002cc
    • USA Region: 000002cd
  5. Reinsert your SD card into your console

Multiple ID0

If you have multiple long 32 character folders(ID0) inside your Nintendo 3DS folder, follow this guide

Multiple ID1

If you have multiple long 32 character folders(ID1) inside your ID0, follow this guide

Manually entering Homebrew Launcher

Follow manually entering homebrew launcher

Turning off Parental Controls

Follow Remove Parental Controls

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