The software analyzes the slots inside the dump. Locate the secondary slot containing the 9.00 CoreOS data.
Tools like RewindPS4 can downgrade games to earlier patches, but they cannot downgrade the console's system firmware . What Should You Do?
Is it worth it? Going from 1302 to 900 is hell. It requires soldering, Linux knowledge, and the patience of a Tibetan monk. You will likely brick your console. You will definitely lose your save data.
If the error persists, this is the most reliable method. You will need a USB drive and access to a computer. ps4 downgrade 1302 to 900
Was definitively the last version installed on this console before it updated to 13.02?
The greatest risk is turning your console into a permanent paperweight. If you damage the Syscon or NOR chips beyond the point of being able to read or write to them, or if you are unable to successfully write back your original working dumps, your console will be irreparably bricked.
Before beginning, ensure your console is completely shut down and unplugged. Disassemble the PS4 and locate the NOR chip and Syscon chip. Step 2: Backup/Patch NOR and Syscon to the NOR chip. The software analyzes the slots inside the dump
Because the demand for the firmware 9.00 jailbreak is incredibly high, searching for "PS4 downgrade 13.02 to 9.00" brings up a massive wave of deceptive websites and social media videos.
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Be wary of websites claiming you can downgrade simply by downloading a file to a USB drive. These are almost always scams or malware. What Should You Do
How to downgrade ps4 from 13.02 to 12.52 or less for jailbreak
You can only revert to a firmware that was previously installed on your system. If your PS4 was manufactured with a version higher than 9.00, or updated directly from 9.00 to 13.02, you cannot go back to 9.00. The Truth About 13.02 to 9.00 Downgrading in 2026
or a modern alternative like a Revert PCB Module . NOR Clip (to connect to the motherboard).