download psid patch by stoker and put it on your usb
install it on your ps3 via install pkgs
now go to your computer
put your console id into notepad and save it as consoleid.txt
copy the consoleid.txt to the root of your usb stick
now back to your ps3
plug your usb into the slot last in the right
open psid patcher
press L1 and then triangle
sign in then there you go back online
Don't use homebrew online
Don't play bo2,mw3 or any other new games that will ban you
and last be not least don't be stupid about it

enjoy bro
hope i helped