Downgrade V1.00: Ps4 Tool

This is . It is an invasive hardware mod. And it only works on early launch models (CUH-10xx, CUH-11xx) with older Southbridge chips. On any PS4 Slim or Pro, downgrading to 1.00 is currently impossible due to newer fuse designs and encrypted bootroms.

Firmware 1.00 is the "Eden" of PS4 hacking. It lacked decades of security patches: ps4 tool downgrade v1.00