To factory reset a PlayStation 4, start by going to the Settings menu from the home screen. Select Initialization, then choose Initialize PS4. Pick Full to completely erase all data and restore the system to its original factory settings. Confirm your selection, and the console will restart and begin the reset process for Factory reset for PS4.

Make sure to back up saved data beforehand, as a factory reset permanently deletes all accounts, games, and personal files. for more info visit - https://datarecovee.com/how-to-factory-reset-ps4/