----before running adb reboot bootloader run: lsusb -v ----find following respective info for your device: ----idVendor & idProduct-----if have trouble finding device, then run: adb reboot bootloader then rerun: lsusb -v an compare lists to find whats missing -----when run ' fastboot devices ' add ' -l ' with it to narrow possible options ----run: sudo vim /etc/rules.d/51-android,rules ----you'll end up on the vim page and will need to script: SUBSYSTEM=="usb", ATTR{idVendor}=="xxxx", ATTR{idProduct}=="yyyy", MODE="0666"(or "0664"), GROUP="plugdev" ----hit esc, then :w, then :q, then enter, now run: sudo service udev restart