: There is no legal, official software that allows you to downgrade PS4 firmware.
To "downgrade" using this method, specialized hardware tools are used to trick the console into booting from the inactive slot. Essential Hardware & Tools ps4 downgrade tool
As of 2024, there is no simple, software-based PS4 Downgrade Tool available to the public. The security architecture of the PS4 makes rolling back firmware via software alone nearly impossible without specific, high-level hardware modifications. : There is no legal, official software that
Sony uses (one-time programmable fuses) on the PS4 motherboard. When you update the system software, the update blows a specific set of these fuses. The bootloader checks the fuse count against the firmware version. If the fuse count is higher than what the older firmware expects, the console will refuse to boot—permanently. The security architecture of the PS4 makes rolling