So i tried upgrading my ps3 hdd to 320gb from 160gb, and got stuck on this screen. At the time, i was running 4.82CFW Cobra Ferrox, trying to upgrade to 4.84CFW Cobra
TheWizWiki on Twitter: "Los modelos de PS3 3xxx y 4xxx (super slim) que no són compatibles con custom firmware podrian dejar de serlo y poder al fin instalar CFW si esto llega
PS3] CFW Ferrox 4.82 v1.00 Cobra 7.53 available | ConsoleCrunch Official Site
PS3 CFW 4.84 FERROX COBRA (7.55) por Alexander en PlayStation 3 › Modchips y Softmods
PS3] CFW 4.86 Ferrox Cobra 8.20 de Alexander disponible | Tecnofreak
CFW FERROX 4.87.2 COBRA 8.20 | ConsoleCrunch Official Site