The label on the drive, written in black permanent marker, read: 9.00 REBUG/PS4HEN .
There is a process known as a but it isn't a traditional downgrade. Every PS4 stores two copies of its firmware on the motherboard—one active (Slot A) and one backup of the previously installed version (Slot B). ps4 downgrade 13.02 to 9.00
Downgrading a PS4 from firmware directly to not possible through software alone The label on the drive, written in black
: Sony implements security checks in the system’s Syscon (System Controller) chip to block the installation of any firmware older than the current version. The label on the drive