Stay safe, keep your console offline if you are waiting for an exploit, and always be skeptical of “too good to be true” downgrade videos.
Do not update past 9.60. If a new exploit is found, it will target lower firmwares first.
The process involves dumping and patching the console's internal chips to force the system to boot from the inactive firmware slot. : Disassemble the PS4 to access the motherboard. how to downgrade ps4 9.60 to 9.00
Modifying the NOR flash is extremely risky. If the flashing process is interrupted or if the patched dump is even slightly corrupted, the console will likely "brick," meaning it will fail to boot entirely. Recovering a bricked console is often impossible without a perfect, original hardware backup and advanced soldering skills. Conclusion
You must dismantle your PS4 completely to access the motherboard. The NOR chip is typically found on the bottom side of the board. Tip: Organize your screws carefully. They vary in size. 2. Connecting the Programmer Stay safe, keep your console offline if you
If you have not updated the console multiple times since leaving version 9.00, that older data still exists on the chip. Required Tools and Equipment
The PlayStation 4 scene has seen a massive resurgence in interest around firmware version 9.00. Why? Because this specific firmware (released in late 2021) was the last version to have a stable, user-friendly, and reliable jailbreak exploit. For those who want to run homebrew software, backup game managers, or emulators, being on FW 9.00 is the holy grail. The process involves dumping and patching the console's
: Write the patched data back to the chips and attempt to boot the console.
Thus, . If you want 9.00, buy a console that already has it.