Thread: PS3 4.21 ofw to 3.55 cfw

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  1. #1 PS3 4.21 ofw to 3.55 cfw 
    Junior Member
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    Feb 2013
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    Hi new here, need help I have ps3 (phat w/ four usb) with 4.21 ofw I would like to downgrade to 3.55 cfw and update to 4.21 cfw.

    Thanks.
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  2. #2  
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    PSP Elite Hacker El Guapo's Avatar
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    Nov 2009
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