Ps4 Tool Downgrade V100 Verified [verified] -

As of 2026, there is that can downgrade a PS4 from a high firmware (8.00+) back to 1.00 while simply connected via USB. Why? Because the PS4 uses efuses (electronic fuses) inside the APU.

★★★★☆ (4/5)

After the downgrade, the console booted perfectly into Safe Mode, allowing for the initialization required for the lower firmware. ps4 tool downgrade v100 verified