Downgrading a Go to product viewer dialog for this item. from firmware 13.02 to 9.00 is not possible through software alone and is extremely difficult even with hardware modifications. PS4 security is designed to prevent software-based "reverting" to ensure users remain on the latest version for security and network features. The Quest for 9.00: The "Golden" Firmware
He let out a breath he didn’t know he was holding. He slumped back in his chair. The fortress had fallen. The walls were down. ps4 downgrade 13.02 to 9.00
Firmware 13.02 burns a specific set of fuses that are not present or are less advanced in version 9.00. Downgrading would require resetting these fuses, which is physically impossible without specialized equipment and direct hardware modification (e.g., replacing the Southbridge chip entirely). For the average user, there is no software method to circumvent this. Thus, any claim of a “downgrade” from 13.02 to 9.00 via a simple USB drive or software tool is fraudulent. Downgrading a Go to product viewer dialog for this item
Q: Can I use a PS4 "Jailbreak USB" to downgrade from 13.02? A: No. Those USB devices (ESP32-S2, etc.) only activate an exploit on 9.00. They cannot downgrade firmware. The Quest for 9
Downgrading a PS4 from a newer firmware (like 13.02) to an older one (9.00) is highly restrictive and generally not possible through software alone. While the community often seeks version 9.00 for its highly stable jailbreak, Sony's security prevents users from simply installing older firmware via USB. The Reality of PS4 Downgrading
If you updated directly from 9.00 to 13.02, a revert is theoretically possible via hardware modding.
Reverting Your PS4 Go to product viewer dialog for this item. : Is a Downgrade from 13.02 to 9.00 Possible? The "holy grail" of PlayStation 4