A few months back, we started getting reports of “unsoftmoddable Wiis”, aka “LU64+” (among other things). Normally, I wouldn’t care, but we discovered that our HackMii Installer would not work on any of those Wiis. I started making the claim that this was due to an innocuous hardware change, coinciding with the release of boot2v4, but I never really explained why. Here’s my explanation.