The PlayStation community highly covets firmware version because it supports a highly stable, golden-era custom jailbreak exploit. This has led to a flood of misleading online guides and fake software tools promising instant downgrades. In reality, the PS4 architecture restricts operating system downgrades through strict hardware controls.
PS4 Downgrade 10.50 to 9.00: Myth vs. Reality and Your Best Options
The short answer is that a software-only downgrade from PS4 firmware 10.50 to 9.00 is currently impossible. Sony designs their system software to prevent users from installing older versions to block security exploits. However, there are advanced hardware methods and specific conditions under which this can be achieved. The Reality of PS4 Downgrading ps4 downgrade 10.50 to 9.00
For those with the technical skills and necessary equipment, there are hardware-based methods to downgrade PS4 firmware. These approaches are extremely complex and carry significant risk of permanently damaging your console (a "brick").
Developers are constantly looking for entry points. Stay on 10.50 and do not update further. PS4 Downgrade 10
Wiring the motherboard to a hardware flasher tool connected to a PC.
, you cannot go to 9.00. If you are on 9.00 or lower , you can block updates to stay there, but you cannot go back after updating. However, there are advanced hardware methods and specific
For very specific PS4 models (specifically early and CUH-11xx ), there is a bootrom vulnerability known as the BDK (Bypass Door Key) Exploit or USB Glitching .
For those with the technical capability and an older console model, the process looks like this: