All, The current Ath3K firmware is failing to load on IMC Networks Atheros AR3012 Bluetooth 4.0 Adapter's This is relatively old hardware 5+ years. I tested the hardware with Ubuntu 16.04 and it works. usb 1-1.1: firmware: failed to load ar3k/AthrBT_0x01020200.dfu (-2) Bluetooth: Loading patch file failed I'm not sure where to submit bugs so I hope this works. thanks Tim