How to downgrade 4.11-3.55 (CECH-3004B)

How to downgrade 4.11 to 3.55 cfw. Slim 320gb system. Brother installed 4.11 after unboxing. Thanks in advance.

E3 FLASHER INSTALLATION and DOWNGRADE TUTORIAL Khalkedon - YouTube

Playstation 3 - Mod- Downgrade 4.11 to 3.55 Same as 3.73 Video - YouTube

I don't know your system is downgradable to 3.55 but these are the tutorials.

Hi,

I heard about RFW method.
It is said that cech-30xxx can be downgraded to 3.55 with this method

RFW - reconstructed firmware

is this thing real? or just hoax like anything else?

Quote:

---

Originally Posted by rizaliev

Hi,

I heard about RFW method.
It is said that cech-30xxx can be downgraded to 3.55 with this method

RFW - reconstructed firmware



is this thing real? or just hoax like anything else?

---

Not real.....

You CANNOT downgrade any 3000 model PS3......it will cause it to brick.