You dump the current NOR chip contents, patch the dump, and flash it back.
If you only want to play an older version of a specific digital game (e.g., to use a patched glitch), you can use software tools that do require hardware modifications. downgrade tool ps4
You can use the browser-based exploit without downgrading. You dump the current NOR chip contents, patch
However, the world of PS4 system software modification is complex and, at times, dangerous for your hardware. In 2026, the landscape of PS4 exploitation is mature, but that does not mean a "one-click" downgrade tool exists for every scenario. patch the dump
Do you have any experience with ?