About PS3 OS Tags: Console Gaming Downgrade Playstation Video Games Last response: October 27, 2012 9:38 PM in Video Games Share danishfaridi October 8, 2012 5:50:55 PM please help me my PS3 version is 4.20 can i downgrade my PS3 OS version to 3.55 Thanks. More about : ps3 cl-scott October 8, 2012 9:28:33 PM No. Sony does not make this possible. m 0 l rahul255800 October 18, 2012 6:08:04 AM thanks.. m 0 l Can't find your answer ? Ask ! Get the answer computertechie1337 October 27, 2012 9:38:59 PM rahul255800 said:thanks.. there prop is a way you could like you can do with apple software. Apple doesnt let you do it but "hackers" can find a way. http://www.se7ensins.com/forums/threads/downgrading-4-2... i found this article for you. sience i dont know how techie you are! good luck!! m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedNeed to get a new OS and I don't anything about OS's Forum SolvedA couple questions about Mac OS 8 Forum SolvedQuestion about SSD and OS (simple question) Forum Can you duplicate your ps3 OS onto another HD? Forum SolvedConfused about using 2 OS Forum SolvedQuestion about Win 7 OS disk for "Refurbished PCs"? Forum Solvedquestion about OS on SSD Forum SolvedBest possible Gaming build for about 900$; It includes monitor, OS and peripherals. Thoughts ? Forum SolvedHaving second thoughts about purchasing second SSD for OS only. Forum SolvedQuestion about the Windows 7 or 8 OS Forum SolvedAbout how to installing OS on my new computer Forum SolvedSuggestions about this build. Budget: 900-1000€. Needing it all (including OS and monitor). Forum DNS Error 80710102 ps3 windows 7 os Forum I have formatted my ps3 hard drive and need to reinstall os Forum SolvedA few questions about wiping/clearing drive for a new OS. Forum SolvedNew build: MoBo, CPU, GPU and OS for about 700 EUR (Berlin, Germany) Forum SolvedA question about steam OS. Forum Solveddoes anybody happen to know about drivers after an OS reinstall? Forum SolvedQuestion about selling laptop with or w/o Windows 7 retail OS. Forum SolvedQuestions About Upcoming Steam OS Forum More resources Read discussions in other Video Games categories Console Gaming PC Gaming Handheld Gaming Nintendo Playstation Servers Sims World of Warcraft Xbox 360 !