How To Downgrade Ps3 Firmware 4.89 To 4.88
Only attempt if you are already on CFW.
No loss of data, but some PSN access may break if using older CFW.
A: A full NOR brick requires a hardware flasher to restore a backup. If you didn’t make a backup, seek professional reball/reflash services (cost ~$50-100). how to downgrade ps3 firmware 4.89 to 4.88
Why would anyone risk a $200 console for a 0.01 version drop?
If your PS3 is running official firmware (OFW) 4.89 and you have never modified it before: Only attempt if you are already on CFW
The general steps can be outlined as follows, but remember, these steps are generic, and you should consult specific guides for your model:
A: No. All public exploits for 4.89 require a prior CFW installation or hardware. No loss of data, but some PSN access
Note: This works because CFW removes the “downgrade prevention” flags. Do not try this with official 4.88 – the PS3 will reject it with “No applicable update data found.”