The short answer is: almost certainly not. The e-fuse system is a hardware lock that has never been defeated on any modern console (PS4, PS5, Xbox One, Series X). The PS3 allowed downgrading because it lacked e-fuses. The PS4 does not.
However, it's essential to note that downgrading a PS4 console can also have risks and consequences, including: ps4 downgrade tool
: A popular community tool that creates a proxy server on your PC. It tricks the PS4 into downloading a specific, older version of a game from official Sony servers. The short answer is: almost certainly not
Given the extreme difficulty of hardware downgrading, the only practical solution for most users is to . The PS4 does not
. There is currently no software-only tool that can bypass the PS4's firmware security checks for a downgrade. Safe Alternatives