If your Newman in-car center screen does not have a network connection, first verify that your in-car device is connected to a wireless or cellular data network. You can try restarting the device or restarting the network Settings. Also, check that your network Settings are correct, including your Wi-Fi password and cellular data turned on. If the problem still exists, it may be necessary to contact the after-sales service of the vehicle equipment for further investigation and solution. Also, make sure your phone or other device is able to connect to the same network to confirm that the network connection is working.
Newman car navigation, app market can't connect to the network. First, check whether the network is normal.