Sistrodowngradeps4 Site
"Sistro" is a specialized tool for users already on 9.00 to "clean" their console or reinstall the firmware without updating to the latest version. It is a magic tool to downgrade from the latest firmware (e.g., 11.00) to 9.00. If you are on the latest firmware, you currently cannot hack or downgrade your PS4.
To use Sistro (or similar tools like Subconcious), you typically need: sistrodowngradeps4
: His tools currently support a wide range of firmware versions, including 5.05, 6.72, 9.00, and up to 11.00 . The PS4 "Downgrade" Process "Sistro" is a specialized tool for users already on 9