it's for tweaking /activate/desactivate your sigpatch "on fly" if you need to play online or to verify if it is activate but at my knowledge no need to get working (partially for now)
if i understand the problemes didn't come from sigpatches but from TSM module? so we need to wait an atmosphere update?
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extract the content of syspatch1.5.8 archive directly in the root of your cd and merge folder
comment the line with nosigchck
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the last syspatch 1.5.8 had been recompiling using LibNX 4.10.0-1 but i'm still stuck with unplayable game .. someone got more luck?