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I was on rogero 4.46 and i decided to change my system to DEX but after downgraded my ps3, i have problem : it is not on 3.55, it is on 4.21!! i tried with couple of firmwares but nothing i just got this message: Error 8002F157
QA flag was enabled
:confused:

I'm honestly not sure why you're getting the data corrupt error. Sorry that I wasn't able to help you.

No problem
thanks

Either Wrong Updat data or A Install package file error .

explain please
if u meant the firmware , i downloaded them from NGU

i think you left a disk inside the ps3 and have you tried installing 999 downgrader ?

yea i was on 4.46 rogero and i downgraded by using rogero downgrader
i ejected the disk

Is install packages still showing under Game?
Can you run the combo buttons under Network Settings, you know to get edy viewer debug setting and install pkg files?

I read somewhere that you are in a hybrid downgrade spoofing 4.21. And to go to debug settings> Debug Update> and switch to YES. And try to re-install from recovery mode.

yea i'm on 4.21 and i opened the menu now
what should i do ?

I fixed it =D
Thank u dude