NAT Type 3 is a problem on PlayStation 4 that can cause your device to be unable to communicate with the network. This problem can be fixed by changing your NAT type. To change your NAT type, you will need to go to the PlayStation Network settings and select “Network.” Under “Network Type,” you will need to select “NAT.” Once you have changed your NAT type, you will need to restart your PlayStation 4 in order for it to take effect.
