We have put together a short survey to capture your feedback in terms of what BT can do when you experience home Wi-Fi issues. We would appreciate it if you could take a couple of minutes to complete a short survey. Read more from here, Fix my home Wi-Fi
It runs fine on the iPhones but not the laptops computers
That's just plain weird. Laggy on PC on both ethernet and wifi but OK on iphone, Are the iPhones connecting to your SSID or to BTWiFi with Fon?