: If your system is corrupted, you can perform a clean "Reinstallation" using a USB drive formatted to FAT32 with the official firmware from PlayStation Support Safe Mode Options
However, these firmware updates also have the effect of "locking in" the console's hardware and software configuration, making it more difficult for users to modify or customize their device. For enthusiasts and developers, this can be frustrating, as they may want to experiment with custom firmware, run homebrew applications, or play games from older firmware versions. ps4 downgrade tool