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i wanted to make my CEX to DEX, and for this i need to be on 3.55.

Im on 4.55 Rogero v1.0 (CEX).

Fist i must downgrade to 3.55.

I used Rogero 999 Downgrader but when i put the Update (PS3->UPDATE->PS3UPDAT.PUP) in the USB and put the USB to the PS3 and select 'Update via Storage Media' it founds the Update, but when i press OK it says: "This update data is not supported on this system"


I also used Rebug 999 Downgrader but it gives me the gives me the same Error



Can anyone help me please?

Sorry for my bad english


Best Regards.

Did you convert the system to DEX? i may be able to help you, but can't exactly if you don't say the exact error/error code that's displayed.

yea i got it switched over thanks

Guys i need help im on a fat ps3 4.55 cex and i tried all these things and its still telling me this update data is not supported

Im on 3.55 cfw like i used the rogero 9.99 downgrader now im at 3.55 cfw not knowing how to do 3.55 ofw plz help

What Did you do to get THE problem away

if ANYONE knows how to get me to dex ill pay u. Ill give you my skype and we will talk! Plz iv lookd for 6 months its impossible!

Downgrade with rogero downgrader first then downgrade with the 999 downgrader then just update to any rebug works for me

This happened to me, I tried to convert to Dex but ran into the data corrupted error when trying to install other firmwares over the downgrader. You must have Q&A activated, then you must do the combination. Try to install it now, if that doesnt work do it via recovery menu, it should work then.