Just yesterday I attempted to downgrade my Wii's firmware from 4.0 via the method detailed here:
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The Wii has a serial number of LU50...etc, so I assumed everything should work out fine. I proceeded with PatchMii IOS Downgrader via the network method, making sure to download all of the IOS's except IOS35. Once the IOS's were done downloading and installing (all appeared to be successful), the Downgrader asked me about installing other things such as BC v2 (no idea what this is, but I proceeded to download it), the updated Shop channel, etc. I did
not download any of the Photo Channel stuff or the Forecast/Weather Channels.
During the download/installation process, I
did install System Menu 3.2 AND System Menu 4.0; looking back at the guide I see it says
OR, so I'm thinking this may have been my downfall. Anyways, once everything was done downloading and installing, I pressed A to return to the BootMii menu and proceeded to install the Homebrew Channel (before restarting the Wii or anything). Once the Homebrew Channel was finished installing, it ran, so I pressed the 'HOME' button on the Wiimote and selected "Return to System Menu". This is when the Wii rebooted and I was left with nothing but the black screen/Wiimote not syncing.
I'm really lost as to what I can do to undo this mistake. Reading into the SaveMiiFrii method, I did open up my GameCube controller and try it a few times, but it seems to not be doing anything at all. This could be because you need a modchip installed for this method to work? I have no modchip, so is this what I need to do next?
I honestly have no idea which version firmware the Wii is even at after the downgrade, but I was hoping it was something older than 3.2 and that would explain the SaveMiiFrii seeming to not have any effect (if the recovery screen is completely blank on firmwares prior to 3.2).
Anyways, I feel I've rambled on enough about this. If purchasing and installing a modchip is what I must do in order to proceed, I will do it. Just looking to get some clarification in quite a few areas I'm unsure of. Thanks much!