Stay skeptical, and never run unsigned executables from unknown PS4 “tool” sites—your console and computer will thank you.
To install a lower firmware, you must either: downgrade tool ps4 repack
A downgrade tool PS4 repack is a software tool designed to help users downgrade their PS4 console to an earlier version of the firmware. This tool is typically used by developers and advanced users who are familiar with the risks and complexities involved in modifying their console's firmware. Stay skeptical, and never run unsigned executables from