In , the hacking group TheFlow released a PS4 jailbreak for firmware 9.00 using a USB exFAT driver bug . The exploit (named pOOBs4 ) requires:
Note: This will format the drive; all previous data on it will be lost.
Clicking this link will allow you to download the raw image file. It is roughly 4 MB in size. If you are interested in the smaller "pico" variant for specialized hardware, it is also available in the same repository directory. exfathaximg ps4 900 download exclusive
: Any capacity works (even a cheap 1GB or 2GB stick). Note that this drive will become dedicated exclusively to the exploit and cannot be used for standard files while carrying the image.
running system firmware 9.00 . Released by the homebrew community under the name "pOOBs4", this specific exploit utilizes a file system vulnerability within the PS4's exFAT driver. Writing this specialized image to a physical USB drive allows users to seamlessly trigger developer options and load , unlocking the hardware's full capability. Key Requirements Checklist In , the hacking group TheFlow released a
What (Windows, macOS, Linux) you are using to burn the image?
Exfathaximg PS4 9.00 Download Exclusive: The Ultimate Jailbreak Guide (2026 Updated) It is roughly 4 MB in size
Wait for the system notification: . Finalize : Click OK on the browser prompt.
The exfathax.img file is an exact 4MB binary disk image. Unlike standard data files, it contains a intentionally malformed ExFAT partition structure.
Wait for the message prompting you to insert a USB drive (if you hadn't already).