This will allow the PS4's operating system to be re-installed on the new hard drive. The System Recovery will only be required if you upgrade the hard drive inside the PS4. The system update is all that you require to update a PS4 and is generally what you will want to download in most cases. System Recovery: Download PlayStation 4 System Recovery 1.50
System Update: Download PlayStation 4 System Update 1.50 PlayStation 4 System Update / Firmware Version 1.50
