Yeah what
@
djfunky
said, that guide is pretty clear that you have to have cfw already installed. There is no way currently to go from 4.3x ofw to cfw currently unless you have a flasher and do not have a 3k or 4k model.
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"Snake. We're not tools of the government, or anyone else. Fighting was the only thing... the only thing I was good at. But... at least I always fought for what I believed in." - Gray Fox