Installing hiyaCFW


Do not system update after installing hiyaCFW. Doing so will remove hiyaCFW’s SD patches.

Requirements #

Part 1: Preparing your PC for installing hiyaCFW #

The hiyaCFW Helper is known to cause false positives with Windows Defender and other antivirus programs, please temporarity disable such programs if you have trouble downloading or running it.

  1. Download & install the latest version of 7-Zip
    • This will not work with any other archive extractor tool, such as WinRAR, the hiyaCFW helper relies on 7-Zip itself, and not a general archive extractor
  2. Download the latest Windows version of the hiyaCFW Helper
  3. Extract the hiyaCFW Helper archive anywhere on your PC
  1. Download the latest macOS version of the hiyaCFW Helper
  2. Extract the hiyaCFW Helper archive anywhere on your PC
  1. Install Python 3 using your package manager if its not already installed
  2. Download the latest Python version of the hiyaCFW Helper
  3. Extract the hiyaCFW Helper archive anywhere on your PC
  4. Install tkinter with the following command for your distro if you don’t already have it:
    • Debian-based: sudo apt-get install python3-tk

Part 2: Adding hiyaCFW files to your SD card #

Screenshot of the hiyaCFW Helper

  1. Launch the hiyaCFW Helper
    • Windows: Launch the HiyaCFW_Helper.exe file extracted from the hiyaCFW Helper archive (you may need to temporarily disable your antivirus)
    • macOS: Right click the HiyaCFW_Helper file extracted from the hiyaCFW Helper archive and choose Open
    • Linux: Launch the HiyaCFW_Helper.py extracted from the hiyaCFW Helper archive
  2. Click the ... button in the “NAND file with No$GBA footer” box
  3. Navigate to your NAND backup, and click Open
  4. Press Start
  5. In the new pop-up window, navigate to the root of your SD card, and press OK.
    • The process may take several minutes
  6. When the application says Done!, close out of the hiyaCFW Helper
  7. Close the terminal window

Part 3: Configuring Unlaunch and hiyaCFW #

  1. Power on your Nintendo DSi console while holding A and B
    • This should take you to Unlaunch’s file menu
  2. Navigate to OPTIONS, then NO BUTTON
  3. Select hiyaCFW and press A
    • This will make the system launch hiyaCFW automatically
  4. Save your settings and restart your console
  5. Hold SELECT while powering on your Nintendo DSi console to access the hiyaCFW settings
  6. Change the settings to your liking, then press START to continue

If it shows An error has occurred, please see the troubleshooting page.