How To Downgrade Ps4 9.60 To 9.00 [portable] Site

Sony designed the PS4 operating system with strict anti-rollback protection. The console writes the current firmware version to its non-volatile system memory. If you attempt to install firmware 9.00 over 9.60 via Safe Mode, the console will reject the file and display an error code.

Sony designs the PS4 system software with strict anti-rollback protection. Once the console installs a higher firmware version, it blows internal electronic fuses (eFuses) and updates the encrypted Key Storage. The system will reject any official recovery pup files of a lower version if you try to install them through Safe Mode. how to downgrade ps4 9.60 to 9.00