How To Downgrade Ps3 Firmware 4.89 To 4.88 -

; standard models running Official Firmware (OFW) or PS3HEN generally cannot downgrade without specialized hardware. 1. Requirements and Compatibility Before starting, ensure your PS3 can handle the process: How to Downgrade CFW on a Jailbroken PS3

This is the safest method if you already have CFW 4.89 installed. how to downgrade ps3 firmware 4.89 to 4.88