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CFW導入の前に、PS3のシステムバージョンを3.55にしておく
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Ep.1 - How To Jailbreak Your PS3 3.55 OFW Step By Step Guide - YouTube
PlayStation 3 hacked with CFW again. "release of LV0 decryption keys will allow jailbroken consoles to circumvent any future security updates made by Sony." : r/gamernews
How To] Upgrade The PS3 to Custom Firmware (CFW) From 3.55 Offical Firmware (OFW) - YouTube
How to install PlayStation 3 custom firmware, run homebrew - AfterDawn