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This disc was discovered through an image posted online in the late 2000s showing this disc, as well as the Movie-CH Install Disc and the Wii Backup Disc. This disc was also seen an image posted by GameDealDaily image, but is no longer available on their site. In late 2018, this disc was obtained and dumped by NWPlayer123, revealing that it installs updates through the Wii Menu and contains a checker program (known as "boot-steve") listing titles which the disc should install and verifying that they are installed.
 An image of the DiscUpdateDisc taken by NWPlayer123. | |
| Disc Internal Name | DiscUpdate Disc |
|---|---|
| Disc ID | 413E |
| Disc IOS | Unknown |
| Disc Release Date | Exact date unknown, somewhere around the release of Wii Menu 3.0U (August 6, 2007) |
| Disc Build Date | Unknown |
| Disc Apploader | Unknown |
The disc installs its contents through an update partition, and the actual program on the disc is just a verification tool, unlike the Movie-Ch Install Disc which installs WADs on the disc itself.
Later versions of the Wii System Menu block this disc by its ID (similar to the Wii Startup Disc ID) for unknown reasons.