The update file can not be used connect a usb storage device that contains an update file for reinstallation for version 6.00 or later. (CE-34788-0). I have done everything it says and
Ps4 System Software Error Ce 34788 0 | Best Reviews
How to fix the CE-34788-0 PS4 error code
Fix: PS4 Update File Cannot Be Used Error Code (CE-34788-0)
CE-34788-0 Error When Updating PS4: Solution Methods