A9LH to B9S


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This page is for existing arm9loaderhax users to update their devices to boot9strap.

All future releases of Luma3DS will only be made in the .firm format, which will only be compatible with boot9strap and sighax. This means that to continue receiving the latest updates of Luma3DS, you should use this page to update your installation.

To use the magnet links on this page, you will need a torrent client like Deluge

If you have a PIN enabled on Luma3DS, SafeB9SInstaller will give you an “OTP Crypto Fail” error unless you temporarily disable your PIN (you can re-enable the PIN after the update).

There have been reports of a wave of bans being handed out to CFW users by Nintendo. To protect yourself, please do the following steps before starting this guide:

  1. Go to System Settings, then “Internet Settings”, then “SpotPass”, then “Sending of System Information”
  2. Disable the “Sending of System Information” option
  3. Exit the System Settings
  4. Go to your Friend’s List (the Face Icon in the top row of your Home Menu)
    • If you receive an error and are kicked out of the menu, the Friend’s List setting is already disabled
  5. Go to the Friend’s List settings, then “Friend Notification Settings”, then “Show friends what you’re playing”
  6. Disable the “Show friends what you’re playing” option
  7. Exit your Friend’s List

What you need

Note that the following required file named secret_sector_dev.bin is the same one that was found in safea9lhinstaller_v2_panda.zip with the name secret_sector.bin. If you already have that file on your disk somewhere, you can use that one (renaming it) instead of downloading the one below.

Note that, only on New 3DS, secret_sector_dev.bin is needed to revert the arm9loaderhax exploit, which is why it is not needed for the installation of boot9strap on a stock console.

Instructions

Section I - Prep Work
  1. Power off your device
  2. Insert your SD card into your computer
  3. Create a folder named boot9strap on the root of your SD card
  4. Copy boot.firm from the Luma3DS .7z to the root of your SD card
  5. Copy GodMode9.firm from the GodMode9 .zip to the /luma/payloads/ folder on your SD card
  6. Delete any existing .bin payloads in this folder as they will not be compatible with boot9strap compatible Luma3DS versions
  7. Copy the gm9 folder from the GodMode9 .zip to the root of your SD card
  8. Copy setup_ctrnand_luma3ds.gm9 to the /gm9/scripts/ folder on your SD card
  9. Copy cleanup_sd_card.gm9 to the /gm9/scripts/ folder on your SD card
  10. Delete any existing .bin payloads in this folder as they will not be compatible with boot9strap compatible Luma3DS versions
  11. Copy SafeB9SInstaller.bin from the SafeB9SInstaller .zip to the /luma/payloads/ folder on your SD card
  12. Copy boot9strap_dev.firm and boot9strap_dev.firm.sha from the boot9strap .zip to the /boot9strap/ folder on your SD card
  13. Copy secret_sector_dev.bin to the /boot9strap/ folder on your SD card
  14. Reinsert your SD card into your device
Section II - Installing boot9strap
  1. Boot your device while holding (Start) to launch the Luma3DS chainloader menu
  2. Launch SafeB9SInstaller by pressing (A) on it
  3. Wait for all safety checks to complete
  4. When prompted, input the key combo given to install boot9strap
  5. Once it has completed, your device will reboot automatically
Section III - Configuring Luma3DS

This section is only needed if you are prompted with the Luma3DS configuration menu after the reboot.

  1. In the Luma3DS configuration menu, use the (A) button and the D-Pad to turn on the following:
    • “Show NAND or user string in System Settings”
  2. Press (Start) to save and reboot
Section IV - Updating the System

This section is optional and requires both a CTR flash card and the development hardware to write a CSU to that CTR flash card.

  1. Update your PANDA unit by using the latest version CTR System Updater (CSU) available to you
Section V - Installing Luma3DS Updater
  1. Using Dev Menu, navigate to the cias folder
  2. Install lumaupdater.cia
  3. Exit Dev Menu
Section VI - CTRNAND Luma3DS
  1. Launch GodMode9 by holding (Start) during boot
  2. If you are prompted to create an essential files backup, press (A) to do so, then press (A) to continue once it has completed
  3. Press (Home) to bring up the action menu
  4. Select “More…”
  5. Select “Scripts…”
  6. Select “setup_ctrnand_luma3ds”
  7. When prompted, press (A) to proceed
  8. Press (A) to unlock SysNAND (lvl1) writing, then input the key combo given
  9. Press (A) to continue
  10. Press (A) to relock write permissions
Section VII - Backup SysNAND
  1. Press (Home) to bring up the action menu
  2. Select “More…”
  3. Select “Scripts…”
  4. Select “Backup SysNAND”
  5. Press (A) to confirm
    • This process will take some time
  6. Press (A) to continue
  7. Hold (R) and press (B) at the same time to eject your SD card
  8. Insert your SD card into your computer
  9. Copy <serialnumber>_nandmin_###.bin from the /gm9/out/ folder on your SD card to a safe location on your computer
    • Make backups in multiple locations (such as online file storage)
    • This backup will save you from a brick if anything goes wrong in the future
    • Replace your old arm9loaderhax NAND backup with this new boot9strap one
  10. Delete <serialnumber>_nandmin_###.bin from the /gm9/out/ folder on your SD card after copying it
  11. Reinsert your SD card into your device
Section VIII - Cleanup SD Card
  1. Press (Home) to bring up the action menu
  2. Select “More…”
  3. Select “Scripts…”
  4. Select “cleanup_sd_card”
  5. When prompted, press (A) to proceed
  6. Press (A) to continue
  7. Press (Start) to reboot

This fork of Luma3DS Updater allows for boot9strap compatibility by downloading and extracting the latest Luma3DS boot.firm for you.

You can now hold (Select) on boot to launch the Luma3DS configuration menu.
You can now hold (Start) on boot to launch the Luma3DS chainloader menu (note that the Luma3DS chainloader menu is only displayed if there is more than one payload detected).
You can now hold (Start) + (Select) + (X) on boot to dump the ARM11 bootrom (boot11.bin), the ARM9 bootrom (boot9.bin), and your console unique OTP (OTP.bin) to the /boot9strap/ folder on your SD card (note that this will not have any kind of prompt or message).