Installing boot9strap (MSET)

Required Reading

To extract the .7z files linked on this page, you will need a file archiver like 7-Zip or The Unarchiver.

What You Need

  • Any DS flashcart that works on your device version
  • The latest release of SafeB9SInstaller
  • The latest release of boot9strap (standard boot9strap; not the devkit file, not the ntr file)
  • The latest release of Luma3DS (the .7z file)
  • The latest release of the Homebrew Launcher

Instructions

Section I - Prep Work

  1. Power off your device
  2. Insert your SD card into your computer
  3. Copy boot.firm from the Luma3DS .7z to the root of your SD card
  4. Copy boot.3dsx to the root of your SD card
  5. Create a folder named boot9strap on the root of your SD card
  6. Copy boot9strap.firm and boot9strap.firm.sha from the boot9strap .zip to the /boot9strap/ folder on your SD card

  7. Copy SafeB9SInstaller.dat from the SafeB9SInstaller .zip to the root of your SD card

  8. Reinsert your SD card into your device
  9. Copy SafeB9SInstaller.nds from the SafeB9SInstaller .zip to your DS flashcart
  10. Power on your device

Section II - Launching SafeB9SInstaller

  1. Start your DS flashcart from your device
  2. Boot SafeB9SInstaller.nds using your flashcart
  3. Select the correct option for your system version
    • 4.X.X -> “4.x SafeB9SInstaller”
    • 6.X.X -> “6.x SafeB9SInstaller”
  4. Reboot the system, then go to System Settings, then “Other Settings”, then “Profile”, then “Nintendo DS Profile”
  5. If the exploit was successful, you will have booted into SafeB9SInstaller

Section III - Installing boot9strap

  1. Wait for all safety checks to complete
  2. When prompted, input the key combo given to install boot9strap
  3. Once it has completed, press (A) to reboot your device

Section IV - Configuring Luma3DS

  1. Your device should have rebooted into the Luma3DS configuration menu
  2. Use the (A) button and the D-Pad to turn on the following:
    • “Show NAND or user string in System Settings”
  3. Press (Start) to save and reboot
    • If you get an error, just continue the next page

Continue to Finalizing Setup