Added missing network configuration init code.

firmware/firmware.ino

@@ -329,6 +329,13 @@ void wifiConnect()
 
 #else // DISABLE_WIFIMANAGER
 
+  if (!WiFi.config(local_IP, gateway, subnet))
+  {
+    debug("Failed to set IP configuration");
+  } else {
+    debug("Successful set IP configuration");
+  }
+
   WiFi.begin(WIFI_SSID, WIFI_PASSWD);
 
   debug("Connecting to WLAN");