I'm having issues trying to get Fastboot to find my device.
Interestingly ADB finds it.
My specs are below:
- Computer: Ubuntu 14.04
Phone: One Plus Two Oxygen OS 2.1.1
james@james-Aspire-3830TG:~$ adb devices
List of devices attached
3778baee device
james@james-Aspire-3830TG:~$ fastboot devices
james@james-Aspire-3830TG:~$