Page 2 of 2 First 12
  1. #11
    Join Date
    Oct 2013
    Posts
    1
    Dear montys1987, I'm tryin' to update from 4.46 OFW to 4.50 CFW, but whatever CFW I try to install it gives the same error, (The data is corrupted. 8002F957). So, can the above process still work out for me to update to the 4.50 CFW? Or should I try another method? if yes, which process? Help will be appreciated.

  2. #12
    Join Date
    Sep 2012
    Posts
    244
    you have to downgrade your ps3 from 4.46 ofw to 3.55 ofw, only then you can install any cfw on it step wise. 3000 and 4000 series ps3s are not downgradable.

  3. #13
    Join Date
    Oct 2013
    Posts
    3
    My model is CECH-2506A. Can I downgrade it to 3.55ofw? If can, how do i do it? I've been searching for answer around, but can't find one. Pls advise

  4. #14
    Join Date
    Sep 2010
    Posts
    958
    You need a flasher to write to flash.

  5. #15
    Join Date
    Oct 2013
    Posts
    3
    thanks

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