Okay so I'm having trouble. My brother downloaded an update that my custom firmware doesnt support (4.86) and I need to downgrade to (4.85) or at least make my ps3 workable again.
PS3 Przerobiona konsola 1TB 4.88 Free Game Shop... | Warszawa | Kup teraz na Allegro Lokalnie
Release] PS3 Firmware 4.85 - PS3 News - psXtools.de Community
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Aktualizacja PS3 4.85 już do pobrania – PlanetaGracza.pl