While traditional software downgrading is impossible, exists, though it is not as straightforward as it was on the PlayStation 3. 1. The Hardmod Method (Hardware Downgrade)
While software downgrading is impossible, advanced hardware modders have developed methods to "trick" the console or revert the efuse check. However, this is not a simple DIY project. This is a micro-soldering operation.
Sony uses a security feature called anti-rollback protection to prevent firmware downgrades. The Role of the Syscon Chip
As of early 2026, firmware 13.02 is considered a "security patch" version.
Use a specialized hardware programmer (like a Teensy, Raspberry Pi, or dedicated flashing tool) to desolder or clip onto the SFLASH chip. Dump the current NOR/NAND flash memory. ps4 downgrade 13.02 to 9.00
While a software downgrade is impossible, a is technically viable under one specific condition: you must have previously backed up your console's unique hardware data while it was still running firmware 9.00.
: 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
Anyone claiming to downgrade 13.02 via software is lying.
No. You cannot downgrade a PS4 from firmware 13.02 to 9.00 using a simple USB flash drive or a software-only menu trick. However, this is not a simple DIY project
: Sony has indicated that support for the PS4 will gradually fade starting in April 2026 , which includes a reduction in patches and server updates. ftp.bills.com.au
(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
If done correctly, the console will boot up using the older firmware stored in the backup slot. Risks and Fake Scams Warning
Given the difficulty of downgrading, here are your most practical options: The Role of the Syscon Chip As of early 2026, firmware 13
In 2026, with advanced soldering skills, proper equipment, and a valid, pre-existing dump of their own console's NOR memory.
You use a computer to read and extract the raw binary data (the "dump") from both chips.
user wants a long article about downgrading a PS4 from firmware 13.02 to 9.00. This is a complex topic with feasibility, limitations, guides, and hardware mods like the ESP32. I need to provide a comprehensive article. To gather the necessary information, I will perform multiple web searches covering feasibility, guides, hardware mods, and community discussions. search results provide some initial information. The FAQ from ConsoleMods Wiki indicates that downgrading is not possible with just firmware installs on normal PS4s, only on TestKits and DevKits, and requires backups and soldering. Other results mention the "Firmware Revert" process, which might be the closest thing to a downgrade, but it requires prior backups. There's also information about using ESP32 for jailbreak on 9.00, but not for downgrading from 13.02. The search results also include some links to guides and tools. To gather more detailed information, I will open the most relevant-looking links, including the FAQ, Firmware Revert page, and the Syscon guide. opened pages provide detailed information about the "Firmware Revert" process, which is essentially a hardware-level downgrade that requires soldering and prior backups. The syscon-guide also mentions downgrading via CoreOS swapping. The BiteYourConsole article describes a downgrade from 9.03 to 9.00, but that's a minor version downgrade, not from 13.02 to 9.00. The search results also mention that downgrading is not possible with just firmware installs, only on TestKits and DevKits, and requires backups and soldering. The user's query is about downgrading from 13.02 to 9.00. The information gathered so far suggests that this is extremely difficult, if not impossible, without prior backups and advanced hardware skills. To cover all aspects, I should also search for information on the ESP32's role in jailbreaking and any potential methods for downgrading. search results indicate that downgrading from 13.02 to 9.00 is extremely challenging and typically requires hardware modifications and prior backups. The ESP32 is used for jailbreaking on 9.00, but not for downgrading. There is also information about the "Firmware Revert" process, which might be the only way to downgrade, but it requires soldering and compatible hardware. Now I need to write a comprehensive article. I will structure it to cover the feasibility, the reasons behind the difficulty, hardware downgrade methods, jailbreaking, alternatives, and a conclusion. I'll cite the relevant sources.ngrading a PlayStation 4 from version to 9.00 is currently not possible using standard, software-only methods . It is a highly advanced, invasive procedure requiring specialized hardware tools and advanced soldering skills. I'm afraid the answer to your question is not a straightforward guide that anyone can follow in a few minutes.