Update data of system software is partially corrupted

The System Software Update may be partially corrupted due to network instability, please try the following:
  1. Restart your PS4 system and download the System Update again by navigating to Settings > System Update > Update via Internet.
  2. If this doesn’t work you can also update your system via USB. 

If you remain unable to update your system, it may be in need of service.  Please contact PlayStation Support for further assistance.