PS4 jailbreak 4.01 helps you to jailbreak your firmware on the same version. But nowadays, PS4 5.05 Mira project jailbreak available. If you are in the below version. Then you should update it via USB. Do not update your console with the internet otherwise, you console with an update with the latest version and you will out of luck to jailbreak your console and you have to for the updated jailbreak. If still, you are looking for the same version jailbreak. Then you can only update your firmware but you can have fun with a lower version. Our suggestion is to update your firmware first and follow the PS4 jailbreak 5.05 process.
|PS4 latest 4.01 Jailbreak|
If you still have any question contact me on Facebook. I will help you to resolve your problem and for the future update like our Facebook page.