PS3 Firmware 4.91 is out! (Do not update just yet) - Wololo.net
PS3 4.81 Archives - Wololo.net
PS3 IDPS Dumper for Firmware 4.81 incoming... - Hackinformer
Playerkp420 4.81 CFW Cobra 7.3 PS3 Custom Firmware is Released | PSXHAX - PSXHACKS
PS3Xploit 3.0 "HAN" released, compatible with all PS3s on firmwares 4.81/4.82 - Wololo.net
Rebug 4.81.1 REX for PS3 CFW Installation - YouTube
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