Unlike the PS3, which had a famous "Factory Service Mode" that allowed downgrading, the PS4 is a heavily fortified machine.
Turn off automatic system software downloads in your PS4 settings menu to prevent your console from updating without your consent. Ps4 Tool Downgrade V1.00 Exe Download
Advanced micro-soldering skills, specific hardware dumpers, and a backup of your console's unique individual encryption keys. Method 2: Motherboard Replacement Unlike the PS3, which had a famous "Factory
If your console is already on or below a jailbreak-compatible firmware version, you do not need to downgrade at all. You can run homebrew software entirely through your PS4’s internet browser or a local network connection. Buy a Pre-Owned Low-Firmware Console Method 2: Motherboard Replacement If your console is
Some malicious tools require you to log in with your PlayStation Network (PSN) credentials, claiming it is necessary to sync with your console. This is a phishing tactic designed to steal your account and sell your digital purchases. Legitimate Ways to Get a Lower PS4 Firmware
The risks here are monumental. One mistake with the soldering iron can permanently "brick" your console beyond repair. Furthermore, this method only allows you to revert to the single previous firmware version stored on your specific motherboard. It cannot take you back to any arbitrarily chosen older version. This is a sophisticated and dangerous repair-level procedure, not a user-friendly utility.