W00fer on Twitter: "Hey @esc0rtd3w @Mathieulh @PSXPlace @roXyPS3 I have found something interesting. Today I received a new blu-ray movie which requires a software update of the PS3. I'm on 4.81 Rebug
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Ferrox PS3 Custom Firmware 4.81 COBRA 7.52 v1.03 by Alexander | PSXHAX - PSXHACKS
Sony PlayStation 3 Firmware 4.90 Download | TechSpot
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PS3Xploit: 4.82 OFW to CFW Hack Released | GBAtemp.net - The Independent Video Game Community
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PS3 update 4.82 out & should you update? NO! - Hackinformer
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Playerkp420 4.81 CFW (Non-Cobra) PS3 Custom Firmware is Released | Page 2 | PSXHAX - PSXHACKS
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How To Jailbreak PS3 4.81 OFW to CFW? [Working]
Just acquired this PS3 from a thrift store and it's still on Version 2.76 : r/PS3
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How To Jailbreak PS3 4.81 OFW to CFW? [Working]
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Firmware 4.81 für die PlayStation 3 veröffentlicht