Instalar boot9strap (kartdlphax)

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This exploit does not currently work on USA region consoles on 11.17.0 (e.g. 11.17.0-50U).

Technical Details (optional)

In order to exploit the SAFE_MODE firmware of our system, we need to inject an exploited WiFi profile.

To accomplish this, we can use the Download Play functionality of the game Mario Kart 7, using a 3DS with custom firmware already installed along with a custom game plugin.

This custom plugin will send a hacked payload to an unhacked console, which then exploits the system in order to inject the exploited WiFi profile into your connections list.

Once the WiFi profile has been injected, we will use SAFE_MODE, which is a recovery feature present on all 3DS consoles, to activate the exploited WiFi profile.

For a more technical explanation, see the following links for information on the kartdlphax and unSAFE_MODE exploits: kartdlphax, unSAFE_MODE.

Compatibility Notes

Para seguir estas instrucciones, necesitarás lo siguiente:

  • Una segunda 3DS con custom firmware (la 3DS de origen) que sea de la misma región que la 3DS que estás intentando modificar (la 3DS de destino)
    • The consoles must be USA, JPN, or EUR region consoles
  • Una copia física o digital de Mario Kart 7 de la misma región que ambas consolas
  • Una tarjeta SD para cada consola

Qué necesitas

En la 3DS de origen (la 3DS con custom firmware):

En la 3DS de destino (la 3DS que estás intentando modificar):

Section I - Hardware Button Check (target 3DS)

In this section, you will see whether your shoulder buttons are working on your device. This will determine which method you will follow on the next page.

  1. Enciende tu consola
  2. Once you see the HOME Menu, press the (Left Shoulder) and (Right Shoulder) buttons at the same time
    • The camera applet should appear
  3. Apaga tu consola

If the camera does not open, you cannot follow this method. If this is the case, join Nintendo Homebrew on Discord and ask, in English, for help.

Section II - Prep Work (source 3DS)

In this section, you will set up your source 3DS (the 3DS with custom firmware) for delivery of the exploit data to the target 3DS.

  1. Inserta la tarjeta SD de la 3DS de origen en tu computadora
  2. Copy Luma 3GX Loader Edition’s boot.firm to the root of the source 3DS’s SD card, replacing any existing file
    • La raíz de tu tarjeta SD se refiere al primer directorio de la tarjeta, donde puedes ver la carpeta Nintendo 3DS pero no estás dentro de ella
  3. Copia el archivo plugin.3gx de kartdlphax al siguiente directorio en la tarjeta SD de la 3DS de origen, dependiendo de la región de tu copia de Mario Kart 7:
    • USA: luma/plugins/0004000000030800
    • EUR: luma/plugins/0004000000030700
    • JPN: luma/plugins/0004000000030600
    • Crea las carpetas plugins y 00040000... si no existen
  4. Saca la tarjeta SD de la computadora y ponla en la 3DS de origen

Section III - Prep Work (target 3DS)

In this section, you will copy the files needed to trigger the unSAFE_MODE exploit onto your target 3DS (the 3DS that you are trying to modify)’s SD card.

  1. Inserta la tarjeta SD de la 3DS de destino en tu computadora
  2. Copia los archivos boot.firm y boot.3dsx desde el .zip de Luma3DS normal a la raíz de tu tarjeta SD
  3. Crea una carpeta llamada boot9strap en la raíz de tu tarjeta SD
  4. Copia boot9strap.firm y boot9strap.firm.sha desde el .zip de boot9strap a la carpeta /boot9strap/ en tu tarjeta SD
  5. Copia SafeB9SInstaller.bin desde el .zip de SafeB9SInstaller a la raíz de tu tarjeta SD
  6. Copy usm.bin from the unSAFE_MODE .zip to the root of your SD card
  7. Create a folder called 3ds on the root of your SD card
  8. Copy the slotTool folder from the unSAFE_MODE .zip to the 3ds folder on your SD card
  9. Saca la tarjeta SD de la computadora y ponla en la 3DS de destino

Section IV - kartdlphax

In this section, you will use Download Play to transfer the exploit data from the source 3DS to the target 3DS, which can be used to overwrite your Wi-Fi slots with hacked data. Your Wi-Fi connection settings will be temporarily overwritten while the exploit is active.

  1. Enciende la 3DS de origen
    • Si te le pide que configures Luma3DS, pulsa START para guardar la configuración
  2. Once in the HOME Menu, press (Left Shoulder) + (Down D-Pad) + (Select) to bring up the Rosalina menu
  3. Selecciona “Enable plugin loader”
  4. Presiona (B) para salir del menú de Rosalina
  5. Inicia Mario Kart 7
    • Asegúrate de que la conectividad inalámbrica está habilitada
  6. Navigate to Local Multiplayer. A menu should pop up
    • If the screen freezes, hold the power button for fifteen seconds to force power off your device, then try again
    • If you have launched kartdlphax previously, the last selected settings will be loaded. If they are correct, select Use settings and skip the next 3 steps. If they are incorrect, select Change settings and proceed.
  7. Select your target 3DS device type (Old 3DS family or New 3DS family)
  8. Select the exploit type 3DS ROP xPloit Injector
  9. A confirmation menu will show up. If the settings shown on the top screen are correct, select Use settings
    • If the settings are not correct, press Change settings and modify them accordingly
  10. Select Create Group
  11. Enciende la 3DS de destino
    • Asegúrate de que la conectividad inalámbrica está habilitada
  12. En la 3DS de destino, abre la aplicación de Modo Descarga (), luego selecciona “Nintendo 3DS”
  13. Entra al grupo creado por la 3DS de origen
  14. Selecciona “Start” en la 3DS de origen una vez detectada la 3DS de destino
  15. Once multiplayer has loaded, navigate to Grand Prix -> 50cc -> (any driver) -> Mushroom Cup -> OK
  16. Espera un rato (se debería mostrar un porcentaje en la 3DS de origen)
  17. If the exploit was successful, the target 3DS will have booted into the 3DS ROP xPloit Injector
    • If the exploit was not successful, power off the source 3DS and target 3DS and start again from the beginning of Section III - kartdlphax
  18. Press (X) to inject unSAFE_MODE
  19. If the injection was successful, the screen will turn green and the target 3DS will automatically power off
    • If the screen turns red, power off the target 3DS and start again from the beginning of Section III - kartdlphax. If this doesn’t work, ask for help at Nintendo Homebrew on Discord)

You will not need to use your source 3DS to complete any further steps on this guide. Any further steps should only be completed on the target 3DS.

Section V - unSAFE_MODE

In this section, you will enter Safe Mode (a feature available on all 3DS family devices) and navigate to a menu where unSAFE_MODE will be triggered, which will launch you into the boot9strap (custom firmware) installer.

  1. With your device still powered off, hold the following buttons: (Left Shoulder) + (Right Shoulder) + (D-Pad Up) + (A), and while holding these buttons together, power on your device
    • Keep holding the buttons until the device boots into Safe Mode (a “system update” menu)
  2. Press “OK” to accept the update
    • There is no update. This is part of the exploit
  3. Press “I accept” to accept the terms and conditions
  4. The update will eventually fail, with the error code 003-1099. This is intended behaviour
  5. When asked “Would you like to configure Internet settings?”, select “Yes”
  6. On the following menu, navigate to Connection 1 -> Change Settings -> Next Page (right arrow) -> Proxy Settings -> Detailed Setup (image)
  7. If the exploit was successful, your device will have booted into SafeB9SInstaller
    • If your device instead freezes on a white screen, hold the POWER button until it turns off, then retry this section
    • If your device instead freezes on a red screen, you are missing usm.bin from the root of your SD card
    • If you get a different error, follow this troubleshooting guide

Section VI - Installing boot9strap

In this section, you will install custom firmware onto your device.

  1. When prompted, input the key combo given on the top screen to install boot9strap
  2. Once it is complete, press (A) to reboot your device
  3. Your device should have booted into the Luma3DS configuration menu
    • Luma3DS configuration menu are settings for the Luma3DS custom firmware. Many of these settings may be useful for customization or debugging
    • For the purpose of this guide, leave these options on the default settings (do not check or uncheck anything)
    • If your device shuts down when you try to power it on, ensure that you have copied boot.firm from the Luma3DS .zip to the root of your SD card
  4. Presiona (Start) para guardar y reiniciar

At this point, your console will boot to Luma3DS by default.

  • Luma3DS does not look any different from the normal HOME Menu. If your console has booted into the HOME Menu, it is running custom firmware.
  • On the next page, you will install useful homebrew applications to complete your setup.

Section VII - Restoring WiFi Configuration Profiles

In this section, you will enter the Homebrew Launcher (using custom firmware) so that you can restore the Wi-Fi connection slots that were overwritten in Section I.

  1. Inicia la aplicación de Modo Descarga
  2. Espera hasta que veas los dos botones
    • Do not press either of the buttons
  3. Presiona (Left Shoulder) + (Abajo) + (Select) a la vez para abrir el menú de Rosalina
  4. Selecciona “Miscellaneous options”
  5. Selecciona “Switch the hb. title to the current app.”
  6. Presiona (B) para continuar
  7. Presiona (B) para regresar al menú principal de Rosalina
  8. Presiona (B) para salir del menú de Rosalina
  9. Presiona (Home), luego cierra la aplicación de Modo Descarga
  10. Relaunch the Download Play application
  11. Tu consola debería cargar el Homebrew Launcher
  12. Launch slotTool from the list of homebrew
  13. Select “RESTORE original wifi slots 1,2,3”
  14. Your device will then reboot

Continúa en Finalizar instalación