: This blog is for educational purposes only. Always check local laws and terms of service before proceeding.
While rare, modifications can lead to data loss. Back up your game saves before applying any new firmware tools. Conclusion
Follow these steps carefully to ensure a successful jailbreak. 1. Download and Prepare the USB (Exfathaximg) Find a reputable source for the exfathax.img file. Open as an administrator on your PC. Select your USB drive.
: Must be precisely on system software version 9.00. Do not use this if you are on 9.03 or higher, as the vulnerability is permanently patched.
The exfathax.img is a tiny disk image (typically about 4 MB) that must be flashed onto a USB drive using tools like Rufus . When you navigate to a jailbreak host site on your PS4 browser and it triggers the "Insert USB" prompt, you plug in this drive. The console's attempt to read the "corrupted" filesystem on the USB triggers the kernel exploit, allowing the system to run unofficial code . Interesting Content & Possibilities
: Wait for the pop-up message that says "Insert USB now. do not close the dialog until notification pops up."
The PlayStation 4 jailbreak for system software 9.00 utilizes a critical kernel heap corruption vulnerability found within the console's . Developers discovered that nesting specific layout parameters within the filesystem geometry causes the kernel to miscalculate memory allocations.
Look for threads regarding 9.00 jailbreaks and custom images. GBATemp: Check the PlayStation 4 hacking section.