Inside that folder, create another folder named 'UPDATE'. Using a computer, create a folder named 'PS4'. On the USB storage device, create folders for saving the update file. You might not be able to use some applications or content without first updating the system software. Interrupting the installation can cause your system to be damaged. Do not turn off your system during the installation. Do not install system software soon before or soon after a power outage. This system software update improves system performance. Even though other OSes might be compatible as well, we do not recommend applying this release on platforms other than the ones specified. If it has been installed, updating (overwrite-installing) may fix problems, add new functions, or expand existing ones.

This package contains the files needed for installing the 9.51 firmware for Sony PlayStation 4 systems.