Teensy 2.0++ or a Raspberry Pi Pico configured as a flasher. A high-quality soldering iron with a fine tip. Enamelled copper wire. A computer running specialized flash dump software. The Process Breakdown
You must solder wires directly to the tiny pins of the PS4's NOR flash chip and the Syscon chip.
Do you have electronics?
Go to product viewer dialog for this item. Downgrade 13.02 to 9.00: Is It Possible in 2026? The quest to unlock the full potential of the PlayStation 4 (PS4) ps4 downgrade 13.02 to 9.00
Let’s do the math:
often leads users to explore homebrew, custom firmware, and jailbreaking. A commonly asked question among enthusiasts is whether it is possible to .
The jailbreak community is constantly evolving. While 9.00 is a gold standard, newer exploits (like PPPwn) opened up homebrew capabilities for firmwares up to 11.00. Check trusted scene developers on platforms like X (formerly Twitter) or GitHub to see if a newer exploit boundary has been pushed toward the 13.xx bracket. 2. Keep the Console Offline Teensy 2
When you perform an update (e.g., from 9.00 to 13.02), the Syscon chip permanently flags your console as having been on version 13.02. It then actively blocks any attempt to install a system software package (PUP file) with a version number lower than that recorded high-water mark. This ensures that your console can never be reverted to an older, less secure firmware version, closing potential security loopholes that jailbreaks exploit. Because of this, even if you find a PUP file for firmware 9.00 online and try to install it from a USB drive via Safe Mode, the console will detect the version conflict and prevent the installation.
: A PC running specialized software like TNC PS4 V Tool or alternative open-source NOR/Syscon patching software.
: A jailbroken 9.00 console allows users to run backup managers, custom themes, and system utility mods. A computer running specialized flash dump software
As of mid-2026, the jailbreak community has established an exploit methodology known as . This exploit repurposes data structures from the legacy PlayStation Vue media application to run homebrew code.
: The PS4 stores firmware in two slots on its motherboard—an active slot (Slot A) and a backup slot (Slot B). You can only revert to the firmware stored in the backup slot.
Warning: This assumes you accept full responsibility.
Even if you possess advanced micro-soldering skills, If your console was running 13.00 before updating to 13.02, hardware reversion will only take you back to 13.00. It cannot bridge the multi-year gap back down to 9.00. Debunking "PS4 13.02 to 9.00" Download Scams