How To Downgrade Ps3 Firmware 4.89 To 4.88 [upd] -

You cannot downgrade directly via software. To move to an older version, you must first jailbreak the system.

If you are on 4.89, the webkit exploit is patched. You cannot install CFW directly from 4.89 without a hardware flasher. how to downgrade ps3 firmware 4.89 to 4.88

Downgrading PS3 firmware from 4.89 to 4.88 is a beginner-friendly task. It requires either: You cannot downgrade directly via software

Now that you have prepared your PS3 and gathered the necessary files, it's time to begin the downgrade process. Here are the steps to follow: how to downgrade ps3 firmware 4.89 to 4.88

Which of those would you prefer?