: Flash the patched data back to the chips and attempt a boot. Critical Warnings
The PS4 motherboard contains two "slots" for firmware: (active) and Slot B (inactive). downgrade ps4 903 to 900 fix
This process is highly technical and requires hardware modification: : Flash the patched data back to the
How to Revert the PS4 to a Previous Firmware (Full Tutorial) downgrade ps4 903 to 900 fix
To "fix" the version and return to 9.00, you must physically manipulate the console's and NOR chips to force the system to boot from the inactive slot. Requirements for the Downgrade