NW-31485-1 Timeout Restart the PS4 system.
NW-31162-3 undefined Error Restart the PS4 system.
NW-31200-6 Failed to update the system software due to a connection error
Step 1: If you have access to a computer, follow these instructions to update the system software using a USB device.
Step 2: If you do not have access to a PC, try Internet connection test [Settings]> [Network]> [Internet Connection Test] and make sure you can connect to the network.
Step 3: If you are able to connect, retry the update to [Settings]> [System Software Update].
Step 4: If you can not connect, the network may be experiencing problems. You can check the status of the PSN here. Turn off other devices connected to the network to reduce stress and try the update again.
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Su (Software Update) Errors
Error Code Description Action