Ps4 Downgrade 1302 To 900
The primary reason is that Sony's security architecture is very robust. The PS4 firmware isn't just stored on the hard drive. Part of it is burned into a read-only, encrypted chip on the console's motherboard that keeps a permanent record of the latest firmware version installed. Trying to install an older firmware via USB will simply fail because the console's hardware will prevent it. Swapping the hard drive to an older one also won't work; the console will still refuse to boot the older system software.
Do you have prior experience with and console hardware modification? Share public link ps4 downgrade 1302 to 900
Because of this architecture, a downgrade is only possible under : The primary reason is that Sony's security architecture
Used as the hardware flasher to interface with the chips. Trying to install an older firmware via USB
If you're interested in exploring the theoretical aspects of PS4 downgrading, I can suggest some research papers:
: Any website or video claiming you can downgrade by simply plugging in a USB drive or visiting a specific URL on the PS4 browser is likely a or "fake". The "Revert" Hardware Method