Place the PS4UPDATE.PUP (version 9.00) in the directory: USB Drive -> PS4 -> UPDATE -> PS4UPDATE.PUP .
Exploits often take time. As of February 2026, 13.00-13.04 exploits are in development. ps4 downgrade 1302 to 900
You will need specific hardware and software: Place the PS4UPDATE
directly from firmware 13.02 to 9.00 via a USB flash drive or software menu is impossible. Sony designed the PS4 console with tight hardware security constraints that strictly prohibit software-based firmware downgrades. You will need specific hardware and software: directly
To explore the feasibility of downgrading the PS4 from version 13.02 to 9.00, we employed a combination of reverse engineering, vulnerability analysis, and experimental testing. Our approach involved:
On a standard, retail PlayStation 4, the . This pairing is tied to the specific firmware revision.
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