Ps4 Downgrade 13.02 To 9.00 ((exclusive)) -

There is no public, one-click tool for this downgrade, and there likely never will be. Your best bet for homebrew is to buy a second console that is already on 9.00.

Downgrading a PS4 from firmware directly to not possible through software alone ps4 downgrade 13.02 to 9.00

: The most reliable way to get a 9.00 console is to buy a second-hand PS4 and verify the firmware version in the settings before purchasing. There is no public, one-click tool for this