PS4 Downgrade: Is Reverting from 13.02 to 9.00 Possible? The short answer is , you cannot downgrade a PlayStation 4 from firmware 13.02 to 9.00 using software alone . While you may see videos or websites claiming a "USB update" can roll back your system, these are almost universally scams or clickbait.
If your PS4 is on official firmware 13.02, you cannot downgrade to 9.00 using software alone. The thousands of "downgrade 1302 to 900" search results are either: ps4 downgrade 1302 to 900
As of right now,
: If your PS4 was on 9.00 just before updating to 13.02, you could potentially use a hardware tool (like a custom PCB module or Teensy) to revert. no PS4 Downgrade: Is Reverting from 13
I didn't cheer. I just sat there, controller vibrating in my hands, staring at the Debug Settings menu that had been locked away for months. For PS4 Fat (CUH-10xx to 12xx): Solder wires
This involves physically modifying the console's motherboard to force it to accept an older firmware file. This is a software hack; it requires soldering skills.