(Dis)Connecting bluetooth devices with Windows.Devices.Bluetooth.Rfcomm (WP8.1) Connecting and disconnecting to Bluetooth devices has been giving various results on Windows Phone/Desktop 8.1. I have been using the Windows.Devices.Bluetooth.Rfcomm namespace and I have tried to connect several devices with different Bluetooth versions/classes. Version 1.2 (Class 1 and 2) Version 2.0 (Class 1 and 2..