How To Downgrade Ps3 Firmware 4.89 To 4.88 < RELIABLE — HOW-TO >
Before touching any files, you must understand what you are dealing with.
This is the safest method if you already have CFW 4.89 installed.
What you need:
Steps:
Enable QA Flag (Crucial Step):
Install a Downgrader Firmware:
Install Target CFW 4.88:
Restore Data:
Why would anyone risk a $200 console for a 0.01 version drop? how to downgrade ps3 firmware 4.89 to 4.88