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VersionAlpha v200
Loads files from the Front SD slot Loads files from SDHC cards in the Front SD slot

Bannerbomb is an exploit capable of launching homebrew from the System Menu versions 3.0-4.2. It was created by Comex on April 5th, 2009 to replace the Twilight Hack, which stopped working after the release of System Menu 4.0.

NOTE: The original Bannerbomb exploit does not work with System Menu 4.2, it only works with System Menu 4.1 or older. However Bannerbomb v2 has been released by Comex, and works on 4.2. No version of Bannerbomb works on System Menu 4.3 without previous mods, as attempting to load Bannerbomb v2 on 4.3 will result in the error 004. Use LetterBomb, Smash Stack, Indiana Pwns, Bathaxx, Yu-Gi-Vah (NTSC-U/J only), Yu-Gi-OWNED! (PAL version of Yu-Gi-Vah), Eri HaKawai, FlashHax, Bluebomb, Return of the Jodi or Str2hax instead.

The exploit works by using a malformed banner to crash the Wii and run code to load the boot.dol placed in the root of the SD card. It can be used to install the Homebrew Channel, and BootMii via the HackMii Installer.


Bannerbomb v1, for System Menu 4.1 and below.
Bannerbomb v2 for System Menu 4.2. NOTE! For this version you MUST use the SD Card menu and NOT the standard Data Management menu!

NOTE: Bannerbomb v2 is reported that it works on 4.0 and 4.1.

  • For the first time, try the given version that Bannerbomb's website gives you.
  • If that doesn't work, try a different version. (IMPORTANT NOTICE: There is a bug on Bannerbomb's website, if you click on '...others?', it'll give you all of the v1 Bannerbombs on the v2 page. Try this for v2 versions.)


What you need

  • SD (or SDHC, only on System Menu 4.0 or higher) card formatted as FAT16 or FAT32.
  • SD card reader for PC or a PC with one built-in
  • Bannerbomb channel data on your SD Card
  • Some homebrew to load (Recommended, the HackMii Installer)
  • A system menu between 3.0 and 4.2. (System Menu 4.3 prevents Bannerbomb from executing. This can be bypassed with Priiloader, but another exploit is needed to do that in the first place.)


  1. If your SD card has a private directory with saved channels, rename it temporarily, e.g. to "privateold". Having other saved channels on the same card will screw it up. (You can skip this step if you don't have any channels on the SD card. Saves are fine.)
  2. Copy the Bannerbomb "private" folder to the root of your SD card.
  3. Take your Wii executable, name it "boot.dol" or "boot.elf" if it isn't already, and save it in the root directory of your SD card.
  4. Put your SD card in your Wii and turn it on.
    • For Bannerbomb v1: Go into Wii Options --> Data Management --> Channels --> SD Card.
    • For Bannerbomb v2: Go to the SD Card Menu on the main System Menu screen
  5. A message should appear asking to "load boot.dol/.elf". If it freezes or does not appear, download the next .zip file from the Bannerbomb website and start over.
  6. The homebrew on your SD card will load. Enjoy!
  7. (Optional) Fill out Comex's survey on the Bannerbomb website.

For Bannerbomb v1 (System Menu 4.1 and below)


Please note that Bannerbomb does not work for everyone at this time.

If your Wii freezes while trying to use Bannerbomb, follow these diagnostics:

  • Repeat the procedure with the same version once or twice. It can be fickle.
  • Make sure you're not trying to use the SD Menu on System Menu 4.0 (the little blue SD card button in the lower left).
  • Check that you pressed the Channels button in Data Management.
  • Make sure that Bannerbomb is the only channel on the SD card.
  • Try a different version of Bannerbomb. Most people should be able to use the recommended version of BannerBomb given, but some might need another version.
  • Eject the SD card, go into the channels menu, then on SD where it says no SD card is inserted, then insert the card (works for Toshiba 256MB cards and Menu 4.0E at least)


  • If it gives you the dialog but freezes instead of loading the elf/dol, email Comex ( comexk @ gmail dot com ). Tell him where it froze and whether or not the slot light is on. You might also try removing the disc.
  • If you press "no" when it asks you whether you want to load a elf/dol then it might freeze.
  • It is possible to press the back button "under" the dialog. Make sure you don't do that.



v104 - v108

  • Message "Load /boot.dol?" changed to "Load /boot.dol/elf?"
  • Attempted to prevent the freeze-after-a-minute bug (other than by disabling WC24)
  • Added a message about the scam at the first popup
  • Added a message if there is not /boot.dol or /boot.elf


  • Added some stuff that may or may not help with stability.


  • First public release


  • bushing, dhewg, segher, etc.
  • CaitSith, Artik and everyone else who tested
  • and last but not least, Igglyboo for testing over 9000 zips for Comex