Search for a used PS4 explicitly advertised as running "firmware 9.00 or lower."

: Reverting even to the previous version requires advanced "Syscon" and "NOR" flashing. This involves soldering components like a Teensy or Raspberry Pi (Pico) to the motherboard and using complex software tools to rewrite the console's internal memory. Common Misconceptions

Is it possible to downgrade a PS4 from firmware 13.02 to 9.00? The short, definitive answer is

is not possible through standard software or system settings. Sony uses security measures and a "syscon" chip to prevent users from reverting to older firmware versions, primarily to prevent piracy and maintain system integrity. ftp.bills.com.au Why Downgrading is Restricted Anti-Rollback Protection

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Since downgrading is out of the question, you have three practical choices moving forward: 1. Look for Higher Firmware Exploits

(as of April 2026), you might feel "trapped" on a version that doesn't support the classic jailbreaks. While the short answer is that you cannot downgrade via simple software

The PS4 operates on a dual-slot core operating system logic. The motherboard simultaneously tracks two firmware installations:

You must solder wires directly to the PS4 motherboard's Syscon chip and Sflash chip.

This process is incredibly complex and requires professional electronics equipment:

Are you comfortable with , or

Most experts recommend and purchasing a second-hand unit already running firmware 9.00 or 11.00 if your goal is homebrew or modding. 00 jailbreak instead?

The PS4 motherboard contains two separate firmware slots (toggles) that switch back and forth during system updates. When you updated from an older firmware to 13.02, your previous firmware version was likely stored in the alternate slot. To access it, a technician must: Completely disassemble the PS4 console.