Remove the USB from your computer and plug in to the PS4 MD5 CHECK ANY PUP FILES BEFORE INSTALLATION! - HERE Make a folder on the root of your USB stick called, inside that a folder called, and put the for your chosen firmware in there (PUP's are found below). On PC: Format your stick to EXFAT using any suitable formatting tool. If this doesn't work a full factory format will be required to remove the pending update nag. To enter SAFE MODE, shut down your PS4, hold power to turn it back on and keep holding until you hear the second beep.
If whilst on 5.05 or below you have ever run Update Blocker payload: you must use Update Unblocker first or FTP into your PS4 (port 1337) and delete the and the PS4UPDATE.PUP folders in the /update folder.If you have a PS4 above 5.50FW you should aim to update to the next closest firmware that supports jailbreaking: 6.72/7.02/7.55, or lastly 9.00.
