(adsbygoogle = window.adsbygoogle || []).push({}); Hello guys,

I have an old PS3 which i hardly use but its on firmwire 4.75 OFW is there a way to CFW to 4.78 with usb instead of e3 flasher?
I've heard i can do it but need the right .PUP file.. my ps3 is slim CECH-2003A.

Please help thanks!

You will definitely need a flasher.. e3 flasher would work fine for your model.

I remember back in 2010 i jailbroke my ps3 with usb while it was on OFW 3.55 used to mod MW2. Is there no way i can install a cfw with usb also the firmwire im on right now is 4.76 sorry my bad.

No that's not possible since you'll either need to have your console on 3.55 or lower. If not, then you can't Jailbreak your system. You can use an E3 Nor Flasher to downgrade your console, then Jailbreak it. Other than that, there is nothing more you can do...