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Alright so when some people have been able to get there ps3 running any dex, for some it might be hard to be able to go online.. that error

Anyways.
Method 1.
Download rebug toolbox with can be found at there website
You must login or register to view this content..
Install it using an usb or through an FTP server.
Open it and go to "Utilites" and scroll down until you see "Change active ps3ID"
Press it and press use CEX EID.
Now exit it by holding "O"
and login
If this didnt work for you i got an other solution! i use this one
Method 2.
Download PS3ITA Manager for your version with you got to find by yourself :/
Install it using an usb or through an FTP server.
Open it and press start on your controller.
Now scroll down to "Network tools"
and select "Restore original console id (EID5)"
Now exit and try to login!
This time it should work.
If your banned.. i belive a spoofer is the answer but i will look into that when i really get banned.
Stay safe
For haters as usual. [noob friendly guide]