Chris Jones on Twitter: "@AskPlayStation It says nw-31291-6. I was just on it two days ago. All my other devices are working. Just not the PlayStation. Not connecting at all" / Twitter
PS4 ERROR NW-31291-6 UNKNOWN FIX
How to Fix PS4 Error Code NW-31291-6 | WiFi Connectivity Error
PS4 wifi problems - YouTube
How to fix PS4 error nw-31291-6 - Error Solutions | Modem router, Wireless networking, Wifi network