In the PS4 scene, a software-only "magic button" to downgrade system firmware does not exist; legitimate system downgrades are technically "reverts" that usually require hardware interaction. Core Revert Concept (Hardware-Based) The PS4 motherboard contains two firmware slots: one
: Many enthusiasts prefer to purchase used consoles specifically advertised as being on "low firmware" to avoid the risks of hardware modification. Are you trying to revert to a specific firmware version , and do you have experience with soldering or hardware flashing ps4 tool downgrade v100 verified