I just bought a PS3 super slim and its jailbroken. I never knew that I can't play online and it's on 4.84, but I wanted to play online. If I updated it,
How to jailbreak PS3 running on 4.81 OFW - Quora
[OLD] How to Jailbreak Your PS3 on Firmware 4.89 or Lower! - YouTube
PS3 Jailbreak 4.81
How To Jailbreak Your PS3 On 4.89 With NEW CFW! - YouTube
Tutorial: How to use PS3Xploit to hack your PS3 and go directly to Rebug 4.81.2! (Noob friendly) - Wololo.net