3DS Hacks Guide

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Flashing ntrboot (NDS) ​

Required Reading ​

Before proceeding, ensure you have read all of the information on ntrboot

This method requires temporary access to a Nintendo DS or Nintendo DS Lite that is compatible with your flashcart. This method uses the flashcart to run the ntrboot flasher .nds file on your NDS.

DANGER

Note that in some rare circumstances, it may be possible for the flashing process to brick a counterfeit flashcart and render it permanently unusable. This is unlikely, but nevertheless, only original listed flashcarts are supported. To reduce the chance of receiving a counterfeit card, it is recommended that you use a reputable site to buy your flashcart (such as NDS Card).

What You Need ​

  • Your ntrboot compatible flashcart
  • Two consoles
    • The source NDS / NDSL: the Nintendo DS or Nintendo DS Lite which is compatible with your flashcart
    • The target 3DS: the 3DS family console on stock firmware
  • The v1.3 release of boot9strap-ntr (direct download)
  • The latest release of ntrboot_flasher_nds (ntrboot_flasher_nds.nds)

Instructions ​

Section I - Prep Work ​

  1. Power off the source NDS / NDSL
  2. Insert your flashcart's SD card into your computer
  3. Create a folder named ntrboot on the root of your flashcart's SD card
  4. Copy boot9strap_ntr.firm from the boot9strap ntr .zip to the /ntrboot/ folder on your flashcart's SD card
  5. Copy ntrboot_flasher_nds.nds to your flashcart's SD card
  6. Reinsert your flashcart's SD card back into your flashcart
  7. Insert your ntrboot compatible DS / DSi flashcart into the source NDS / NDSL

Section II - Flashing ntrboot ​

  1. Launch ntrboot_flasher_nds.nds on the source NDS / NDSL using your flashcart
  2. Press (A) to continue
  3. Use (Up) and (Down) to select your flashcart
  4. Press (A) to continue
  5. Select "Dump flash" to make a backup of your flashcart's memory
  6. Input the key combo given to confirm
  7. Press (A) to continue
  8. Use (Up) and (Down) to select your flashcart
  9. Press (A) to continue
  10. Select "Inject FIRM" to install boot9strap to your flashcart
  11. Input the key combo given to confirm
  12. Press (A) to continue
  13. Power off the source NDS / NDSL
  14. Eject your flashcart from the source NDS / NDSL

TIP

Continue to Installing boot9strap (ntrboot)