If the hardware soldering was good and the BIOS patching was done correctly (preserving the MAC address and motherboard keys), the console will accept the 9.00 update.
The PS4 should now begin the downgrade process. This may take several minutes. Keep the console powered on and do not interrupt the process. ps4 downgrade 13.02 to 9.00
This guide is for educational and informational purposes only. Modifying your console firmware carries a risk of "bricking" the device, voiding your warranty, and may violate Sony's Terms of Service. I do not condone piracy or malicious use of this information. If the hardware soldering was good and the
This guide assumes you have a PS4 on firmware 13.02 and want to downgrade it to 9.00. For this process, you will need: Keep the console powered on and do not interrupt the process
If you are looking for a simple software method (like a custom update file) to go from 13.02 to 9.00,