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I have search over 12h and now i have a nice tutorial.

Use this <33
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This should work.
Message me if it doesn't.
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same error 80029CCA !!

i know how to downgrade but every firmware is corrupted -______-

you are on dex?you dont need to downgrade if you want upgrade from 4.21 rex to 4.30 rex but you need to now 1 think..if you was on dex, you cant install any cex cfw...i mean dex on rex to....

yes iam on 4.21 rex and if i want straight update to 4.30 rex ist this firmware to corrupt. i dont know why every fucking firmware is corrupt

for 1 month everything worked

i downgraded fantastic with the 999 Downgrader now everything ist corrupt , dont know why

I think what Sony Black is asking is, did you convert your PS3 to DEX? If you had, you will have to find a DEX to CEX tut, PM me if this is the case, because I an help.

yes with the CEX-FLASH.EID0 and DEX-FLASH.EID0 but i think i can jump trough or not ?!