If his system was on 10.3 and had menuhax set up before downgrading, then his problem is the presence of the shufflehax theme data. It is becoming a common issue for people that downgraded once they start updating to 10.3+ on emunand.
Theme shuffle wasnt a thing on 9.2, but when you downgrade the extdata for theme shuffle is still present. Since shuffle isn't present in the settings, though, when you change your theme on 9.2 to clear menuhax (either on sysnand before setting up emunand or on emunand after the format, the timing doesn't matter) that extdata doesn't get reset. Then when you update your emunand to 10.3 and Theme Shuffle gets introduced to the settings, it suddenly sees the exploited extdata and tries to load menuhax again. This was more or less fine with 10.3 because people would notice it loading back into either HBL or their boot manager of choice. With 10.4 the exploit was patched and now the exploited data fails to load at all and you get a weird black screen where you can get an error message or two by pressing buttons, but nothing ever fully loads.
Last edited by Aroth,
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