About PS3 OS

please help me my PS3 version is 4.20 can i downgrade my PS3 OS version to 3.55

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  1. No. Sony does not make this possible.
  2. thanks..
  3. rahul255800 said:

    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-4-20-to-3-55.742075/ i found this article for you. sience i dont know how techie you are! good luck!!
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