NW-31247-7 no PS4: possível solução que encontrei para resolver esse e outros erros de DNS - YouTube
I just got a PS4 Pro and have a LAN connection active but this message keeps popping up when I try to connect. Anybody know how to help!? : r/ playstation
PS4 (NW-31247-7) Error code Network connection has timed out. NEW FIX!! - YouTube
Código de error de PS4: todas las opciones y su posible solución (2021)
Ps4 DNS Error NW-31247-7 Fix - 2020 - [Solved] PS4DNS.COM