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3DS:Alternate Exploits/Installing boot9strap (SSLoth-Browser)

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Technical Details

In order to exploit the Browser application, we need to bypass the browser version check, which is designed to disallow the use of the browser without updating to the latest system version.

A public proxy server is available, which, with the help of the SSLoth exploit, can bypass this check.

Once the bypass is active, an exploit webpage will be accessible which will do the rest of the job.

For technical details on the exploits that you will be using on this page, see here (SSLoth) and here (universal-otherapp).

Compatibility Notes

SSLoth allows users on version 11.13.0 and below to bypass the browser version check, allowing the use of new-browserhax or old-browserhax (compatible with versions 11.4.0 through 11.13.0 in all regions), which can then be used in conjunction with universal-otherapp.

What You Need

Instructions

Section I - Prep Work

  1. Power off your console
  2. Insert your SD card into your computer
  3. Copy otherapp.bin to the root of your SD card and rename it to arm11code.bin
    • The root of the SD card refers to the initial directory on your SD card where you can see the Nintendo 3DS folder, but are not inside of it
    • If you do not see the .bin extension, do not add it to the end of the filename
  4. Copy boot.firm and boot.3dsx from the Luma3DS .zip 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.bin from the SafeB9SInstaller .zip to the root of your SD card
  8. Reinsert your SD card into your console
  9. Power on your console

Section II - SSLoth

  1. Launch the System Settings application
  2. Navigate to Internet Settings -> Connection Settings
  3. Click on your network connection slot and navigate to Change Settings -> Next Page (right arrow) -> Proxy Settings
  4. Set “Proxy Settings” to “Yes”, then click Detailed Setup
  5. Set the Proxy Server to ssloth.nintendohomebrew.com, and the Port to 8080
  6. Click OK, then click Save
  7. When prompted, click “Test” to perform the connection test
    • The test should succeed
  8. Click “OK” to continue
  9. Press “Back” twice, then “Close” to go back to the HOME Menu

Section III - Launching SafeB9SInstaller

  1. On the HOME Menu, press the Left and Right shoulder buttons at the same time to open the camera
    • If you are unable to open the camera, open the Internet Browser and manually type the URL instead (https://zoogie.github.io/web/nbhax/)
  2. Tap the QR code button and scan this QR code
    • If you get a crash or an error code, follow the troubleshooting guide at the bottom of the page
    • If you get a security certificate warning, press (A) to allow the connection
  3. Tap the “PROCEED TO HAXX” button
  4. If the exploit was successful, you will have booted into SafeB9SInstaller
    • If you get an error, follow the troubleshooting guide at the bottom of the page

Section IV - Installing boot9strap

  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 console
  3. Your console 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 console 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. Press (Start) to save and reboot

Section V - Restoring default proxy

  1. Launch the System Settings application
  2. Navigate to Internet Settings -> Connection Settings
  3. Click on your network connection slot and navigate to Change Settings -> Next Page (right arrow) -> Proxy Settings
  4. Set “Proxy Settings” to “No”
  5. Click OK, then click Save
  6. When prompted, click “Test” to perform the connection test
    • The test should succeed
  7. Power off your console

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.

Continue to Finalizing Setup

Troubleshooting

Red/purple/pink and white screen after running Browserhax

This likely indicates that you already have custom firmware. You should check for CFW.

"An error has occurred. Hold down the POWER button to turn off the power..." (black screen with text)

The file arm11code.bin is missing or misplaced. Download the latest release of universal-otherapp, place otherapp.bin on the root of your SD card and rename it to arm11code.bin. Do not add the .bin extension if you do not already see it.

"An error has occurred, forcing the software to close..." (white message box)

There may be an issue with your arm11code.bin file. Download the latest release of universal-otherapp, place otherapp.bin on the root of your SD card and rename it to arm11code.bin. Do not add the .bin extension if you do not already see it.

You can also try resetting your browser save data:

  1. Launch the browser, then launch the browser settings
  2. Scroll to the bottom and select “Reset Save Data” (it may also be called “Initialize Save Data” or “Clear All Save Data”)
  3. Return to Section III

Opening the browserhax QR code or URL crashes

Browser based exploits (such as this one) are often unstable and crash frequently, but they can sometimes be fixed by doing the following steps.

  1. Launch the browser, then launch the browser settings
  2. Scroll to the bottom and select “Reset Save Data” (it may also be called “Initialize Save Data” or “Clear All Save Data”)
  3. Return to Section III

System Update prompt when opening browser

The SSLoth proxy was incorrectly configured. Re-do Section II on this page.

Error 032-0420 when opening browser

Follow these steps in order:

  1. Launch System Settings on your console
  2. Navigate to Internet Settings -> Connection Settings
  3. Click on your network connection slot and navigate to Change Settings -> Next Page (right arrow) -> Proxy Settings
  4. Set “Proxy Settings” to “No”
  5. Click OK, then click Save
  6. When prompted, click “Test” to perform the connection test
    • The test should succeed
  7. Click “OK” to continue
  8. Press “Back” twice, then “Close” to go back to the HOME Menu
  9. Open the Internet Browser once
  10. If prompted about a system update, press OK
    • This won’t actually update the system
  11. Start again from Section II

Frozen on "Doing agbhax..."

There may be an issue with your arm11code.bin file. Download the latest release of universal-otherapp, place otherapp.bin on the root of your SD card and rename it to arm11code.bin. Do not add the .bin extension if you do not already see it.

"PrepareArm9ForTwl returned error c8804631!"

Join Nintendo Homebrew on Discord for assistance.

Failed to mount the SD card!

Back up your data and reformat your SD card as FAT32 with the recommended tool depending on your operating system. MiniTool Partition Wizard and the HP formatting tool (HPUSBDisk) are known to cause issues with 3DS SD cards.

If this is unsuccessful, try using another SD card.

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