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84 bytes removed ,  22:37, 22 July 2021
The '''Wii Backup Disc''' is a service disc apparently used inside Official Nintendo Repair shops to transfer personal data like savegames and console settings between Wiis as part of a repair. It was the only known official application to use [[IOS16]], and it is unknown what happened after IOS16 was stubbed.
It's not entirely clear what it does; something it does *not* do -- even though it appears it might -- is to allow [[Wii Shop Channel|Wii Shopticket]] games files and save files to be transferred between consoles. Instead, it transfers the dumped and packaged as [[ticketRBK]] so that the user can redownload the games from Wii Shop Channel for freefiles, and RBK files to be installed. The actual RBK format is unknown, but presumably it included these.
Note: "Change WiiId" is mostly useless. WiiId is only used as your "Wii Number" that you give to your friends so they can send you Wii Mail. When you pick it, it assigns you a new random ID.
It also doesn't boot on full bricked Wiis and it's unlikely that it repairs half bricked Wiis since delete all only deletes savegames/settingsand not any channel content (Weather/News/Games..) or the firmwareIOS.
The so called "DevCerts" are two .wads [[WAD]] files on the disc FS called '"dummy-cls.wad' " and '"dummy-loc.wad' ," both of which have one content which is 0x40 bytesone . One is empty the other one seems to be just random data, possibly an [[IOS]] content 0.The '"dummy-loc.wad' " file also has a CertChain which only works an a devkit[[certificate chain]] including the debug certificates.'"dummy-cls.wad' " has a ticket which the Wii doesn't does not accept, therefore you can't install itcannot be installed.   (insert more explanation here)
== Screenshots ==

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