To Install Cia File 0xd8e0806a | Failed

0xD8E0806A

For users of the Nintendo 3DS homebrew scene, the error code is a notorious "brick wall" encountered when trying to install digital software (CIA files) via tools like FBI . This error is technically defined as a Certificate Signature or Hash Check Failure .

Step 5: Import the Seed (If Applicable)

  • FBI → Remote Install → Receive URLs over network (use Boop or 3DS-Send).
  • CustomInstall GUI (requires a PC and USB cable).
  • Luma3DS: Current version is v13.x (as of 2025). Download boot.firm and boot.3dsx from the official GitHub repository and replace the files on your SD card root.
  • boot9strap: You likely have 1.3 or 1.4. If you have anything lower than 1.3, consider updating via SafeB9SInstaller (though boot9strap rarely causes this error, it’s good hygiene).
  • FBI: Update to the latest version (v2.6.x or newer). You can install the FBI CIA update via the existing FBI app itself, or by using the .3dsx version from the Homebrew Launcher.
  1. Open Disk Utility.
  2. Select your SD card → Click "First Aid".

Occasionally, the 3DS operating system logs a corrupted ticket for a failed install, blocking all future attempts for that same title. Open your 3DS System Settings Data Management right arrow Nintendo 3DS right arrow failed to install cia file 0xd8e0806a