Not every user will use unlimited data connections. So as a good application developer you should check and notify user whether they would like to proceed further or not.
Some of the quick things you may want to do
//Check if network is available var _isNetworkAvailable = Microsoft.Phone.Net.NetworkInformation.DeviceNetworkInformation.IsNetworkAvailable; //Check if Cell Data connection is available var _isCellDataAvailable = Microsoft.Phone.Net.NetworkInformation.DeviceNetworkInformation.IsCellularDataEnabled; //Check if the cell data connection is in ROaming var _isCellDataRoaming = Microsoft.Phone.Net.NetworkInformation.DeviceNetworkInformation.IsCellularDataRoamingEnabled; //Check if WiFi Network is available var _isWiFiEnabled = Microsoft.Phone.Net.NetworkInformation.DeviceNetworkInformation.IsWiFiEnabled;
You can also check who is the mobile provider, a quick one to let user know if they are in Roaming and not using their parent connection