Here is new PS3 4.81 Official Downgrade to 3.55 Official! This is new methode to downgrade and is 100% working and works on all models include new Super Slim. After downgrade you can install GeoHot CFW patched with linux support and run linux on PS3. This downgrade your PS3 4.81 or below to 3.55 OFW, this is not jailbreak if you need jailbreak 4.81 or below CLICK HERE.
- PS3 4.80 or below (we recomend to update to official 4.80 but works also with all below firmwares)
- USB Stick with least 200mb free space
- Winrar (You can download from here) to unzip
Instructions to install
Step 1: Download PS3 Downgrade files (from link below)
Step 2: Unzip with Winrar
Step 3: Create a folder in the root of the USB stick called PS3
Step 4: Create a folder inside the PS3 folder called UPDATE
Step 5: Copy PS3UPDAT.PUP into UPDATE folder on USB
Step 6: Plug USB into your PS3
Step 7: Go to System software Update, then go over and select Update from USB storage device
Step 8: It will say Update Has Found 4.81-3.55-DG and select OK
Step 9: Wait 4-5 min to install after install PS3 will restart
Step 10: Check in system information if your PS3 runinng 3.55 (it will say Version 3.55)
Step 11: Now you can install GeoHot 3.55 CFW (Or any other) over this 3.55 OFW and run 3.55 PKG and run linux on your PS3.
CLICK HERE to download GeoHot 3.55 CFW with linux support.
- After downgrade you cant access to PSN
- In this downgrade is included brick-free patch (it is 100% brick free)
- Works on all model even on super slim