LetterBomb is an exploit for the Wii that is triggered by using the Wii Message Board.

What you need

  • A Wii on system version 4.3
  • An SD card with at least 128 MB of free space


  1. Go to Wii Settings -> Internet -> Console Information and note your MAC address
  2. Go to https://please.hackmii.com, input your Wii MAC and region, complete the CAPTCHA, ensure Bundle the HackMii Installer for me! is checked, and click either “Cut the red wire” or “Cut the blue wire”; it doesn’t matter which one. HackMii Screen
  3. Extract the contents of the downloaded ZIP to your SD card.
  4. On your Wii, return to the Wii Menu and then open the Message Board.
  5. Load the red mail with a bomb icon.
    In various scenarios, you may need to look at the previous or next day to find it.

LetterBomb Wii Menu

Continue to Homebrew Channel Installation