Short answer: No public, one-click software tool exists.
The main reason is jailbreaking . Certain PS4 firmware versions (like 5.05, 6.72, 7.55, and 9.00) have known kernel exploits. If you accidentally update past 9.00 or 11.00, you lose the ability to run homebrew, backups, or mod menus. ps4 tool downgrade
A true downgrade would restore that ability—but it’s not simple. Short answer: No public, one-click software tool exists
It’s a popular search term—but here’s the hard truth: Once you update, you cannot simply press a button to go back to 9.00 or 5.05. Short answer: No public