Originally posted by zPoizon
Is jailbreak when you downgrade and install a CFW
How to prepare a ps3 to add any cfw you want which would be then Cfw (jailbroken) .
-Buy a Ps3 on ebay thats on "Ofw 3.55" <-- is easier to just buy a ofw 3.55 ps3 on ebay and then add any cfw firmware you want but if you dont want another ps3 you do the following.
-if your ps3 last serial number digits are lower than Cech-2500B you can send it to someone for they can downgrade with a e3 flasher, they usually charge 50$. Or you can either buy a e3 flasher yourself and you downgrade your ps3 to 3.55.
Once you're on ofw 3.55 you can install any cfw firmware you want, theres rebug, cobra, ita, and rogero. Rebug or ita are good. If you're a beginner you could most likely start on rebug 4.65 Cex. But thats up to you. And on how to get the bo2 mod menu you need to look for downloads and stuff. You need to know how to mod on bo2 or any other game safely.

if you need any more help just pm me on the site.