Hi there , for me i must add my device ( DG-310 / Doogee Voyager 2 ) , to my udev rules , i use this code for make that quick
sudo groupadd plugdev
sudo gpasswd -a $USER plugdev
AVID=$(lsusb | grep HTC | awk '{print $6}' | sed 's/[:].*//')
APID=$(lsusb | grep HTC | awk '{print $6}' | sed 's/.*[:]//')
sudo echo 'SUBSYSTEMS=="usb", ATTR{idProduct}=="$AVID", ATTR{idProduct}=="$APID", MODE="0666", GROUP="plugindev"' >> /etc/udev/rules.d/51-android.rules
ADBN=$(lsusb | grep HTC | awk '{print $2}')
ADDN=$(lsusb | grep HTC | awk '{print $4}' | sed 's/[:].*//')
sudo chmod 666 /dev/bus/usb/$ADBN/$ADDN
sudo udevadm control --reload-rules
sudo service udev restart
sudo udevadm trigger
sudo ./adb kill-server
sudo ./adb usb
sudo ./adb devices
List of devices attached
0123456789ABCDEF device
sudo ./adb kill-server