However, Sony designs the PS4 hardware and software with "anti-rollback" mechanisms. These checks prevent the system from installing an older version of the firmware over a newer one, making a software-only downgrade nearly impossible for the average user. What is "Ps4 Tool Downgrade V1.00 Exe"? In most cases, a file with a generic name like Ps4 Tool Downgrade V1.00.exe not a legitimate utility. Here is why: The Hardware Barrier:
