(adsbygoogle = window.adsbygoogle || []).push({}); i was on 3.55 but my little brother updated my play station on accident so im owndering how can i go back to 3.55 from 4.80 is there anyway??

You need to buy an E3 Flasher

As yaboyrenato stated you need to purchase a device called an E3 Flasher to downgrade your PS3 back to 3.55 OFW to jailbreak it again.

thanks