Despite Sony's roadblocks, the modding community has developed advanced techniques that are often referred to as "new" methods. These are not software-based solutions but hardware-level manipulations.
The PS4 motherboard contains a system controller chip called the , alongside a NOR flash memory chip . Firmware Revert - ConsoleMods Wiki
In PS4 modding circles, is not a standard firmware version. It most likely refers to an error code : ps4 downgrade 1302 new
If you are getting stuck in a boot loop requiring a reinstall, the PS4 will usually force you to install the latest firmware (currently 13.04+), making a downgrade impossible without a hardware flasher.
If your goal is to run homebrew but you are stuck on firmware 13.02 or 13.04, here is the hard reality about "downgrading": Firmware Revert - ConsoleMods Wiki In PS4 modding
: You can only revert to the firmware that was installed immediately before your current one. For example, if you updated from 12.00 to 13.02, you can go back to 12.00. You cannot jump from 13.02 to 9.00.
The fate of humanity rests in your hands. Will you be able to overcome the challenges of Downgrade 1302: New Horizons? For example, if you updated from 12
: Any website, video, or link claiming to offer an "instant software downgrade" or a "13.02 jailbreak installer" via a custom PS4UPDATE.PUP file on a USB drive is entirely fake. Sony uses encrypted cryptographic keys to prevent older software packages from installing over newer ones. The Only Working Method: Hardware Reversion (Syscon Method)
The golden era of PS4 modding is not dead. It has simply moved from the USB port to the motherboard.
Solder data lines directly to the console's NOR flash memory chip, which stores core BIOS data.