If you own a PS4 on firmware 4.55 or below, rejoice! Developer SpecterDev has released a fully functional implementation of Qwertyoruiop's 4.55 Kernel Exploit for the PS4. This is technically what you can consider as a full functional Jailbreak for PS4 4.55, but the payloads (the binaries that let you actually do cool stuff with your PS4 such as running homebrew or unlocking debug settings) still have to be ported to this firmware.

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Important disclaimer: at the time of writing, payloads for the exploit have not been ported yet. In other words, although the exploit is fully functional, without the payloads you won't be able to do much. If you're too excited to wait, feel free to download and test the exploit following the instructions below, but most of you will prefer to wait until payloads such as PS4Hen are ported to this exploit, and user friendly tools such as ps4-exploit-host are updated for 4.55.You can download the PS4 4.55 Exploit on SpecterDev's github. To run and host the exploit, you'll want to use a tool such as ps4-exploit-host by Al-Azif. Please note that Al-Azif's tool currently only contains the 4.05 exploit, so you will need to replace the contents of the "exploits" folder with the one for 4.55. Ps4-exploit-host has a detailed readme on how to run the exploits when you use that tool. Alternatively, you can host the exploit yourself, or point your PS4's browser to Qwertyoruiop's hosted version at [ Register or Signin to view external links. ] .