Originally posted by Fideo
3 simple steps in spanish bro... sorry...
1º- Instalar el 4.25 to 3.55 del team Rogero desde el XMB en actualización del sistema.
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2º- Instalar y ejecutar el PKG de las QA del team Rebug (deben sonar tres pitidos, sinó no ha funcionado)
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3º- Instalar desde Recovery CFW 3.55 Kmeaw (te va a pedir un FW 4.40, pero no hay que hacer caso)
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if u need some help... just tell me...
I think im going to try this
Downgrading back to 3.55 is always possible using the following steps :
Download the Downgrader PUP ---> Downgrader PUP mirror ---> Downgrader PUP
Size 176MB (184,595,263 bytes) MD5: 49d80e07fc1f5ca1b0840e02e94635db
Rename the downloaded file to "PS3UPDAT.PUP" and put it on your USB in: "USB\PS3\UPDATE\PS3UPDAT.PUP"
While on Rogero CFW4.30, go to System Update from XMB and install the Downgrader PUP.
After the Downgrader PUP installs you'll be on a hybrid CFW3.55 that will still shows the spoofed ver4.21 from system settings.
In case you didn't have it Set Before, Enable QA flag by following these steps:
Enable QA
Download the Rebug QA_Toggle package from here ---> toggle_qa.pkg
Put the "toggle_qa.pkg" on USB and Install it on the PS3.
Run the "Rebug Toggle QA" from XMB, the screen will go Black and you will see HDD Led activity then if all went fine you will hear 2 or 3 Beeps and the PS3 will Restart back to XMB.
If you want to make sure QA flag was set, go to "Network Settings" then apply the following key combo (all at the same time):
L1 + L2 + L3 (press left stick) + R1 + R2 + dpad_down
You should see Edy Viewer, Debug Settings, and Install Package Files if done correctly.
Now put "Rogero CEX-3.55 CFW V3.7" on your USB in: "USB\PS3\UPDATE\PS3UPDAT.PUP" ---> Rogero CEX-3.55 CFW V3.7.PUP
Start the PS3 and install "Rogero CEX-3.55 CFW V3.7" using the System Update from XMB.
Once you're back on Rogero CFW3.55 v3.7 you can now install any CFW 3.55/4.21/4.30 using the System Update from XMB
( or Recovery Menu if XMB Update didn't work ).