: Use the Load or Open button first to select your patched firmware file.
The PS4 motherboard keeps a backup of the previous firmware version you had installed before your latest update. Ps4 Tool Downgrade V1.00 Download
This article is for educational and informational purposes only. Downgrading console firmware often violates Sony’s Terms of Service, can result in a permanent online ban (console ban), and may render your device inoperable (brick). Proceed at your own risk. This guide assumes you are working with a jailbreakable firmware version (typically 9.00 or lower). : Use the Load or Open button first