(adsbygoogle = window.adsbygoogle || []).push({}); my ps3 can be downgrade with e3 flasher?
it was on 3.55 befor
the model is :CECH - 2504B
my ps3 was on 3.55 cfw a long time ago
I know that my ps3 can be downgrded but my question is does it matter which version is installed on the ps3?

Nope if it was on there before you can do it again no matter what :p