The user must completely dismantle the PS4 to access the motherboard.
Place the "Reinstallation file" (usually around 1GB) into the Safe Mode: ps4 downgrade tool
A utility that determines the lowest original firmware version your specific PS4 console is capable of running. It provides a critical piece of information before you consider any hardware intervention. The user must completely dismantle the PS4 to
If buying online (eBay, Mercari), look for listings that explicitly state "9.00 firmware" or "Jailbreakable PS4." Expect to pay a premium—typically $50–$100 more than a standard used PS4. ps4 downgrade tool
