android-udev.rules

# Create this file in /etc/udev/rules.d/51-android.rules (root owned, bitmask 0644)
# Reload udev (udevadm control --reload-rules)
#
# It will allow members of the `adbusers` group to access the phone over usb without being root
# You should create a new unprivileged user who is a member of this group, then run `adb` as said user
#
# To add a new device, plug in the device and run `lsusb` to determine its device id then add it in, eg:
# $ lsusb
# Bus 002 Device 063: ID 18d1:4ee7 Google Inc. Nexus/Pixel Device (charging + debug)

SUBSYSTEM=="usb",ATTR{idVendor}=="18d1",MODE="0660",GROUP="adbusers"

# nexus 5x
SUBSYSTEM=="usb",ATTR{idVendor}=="18d1",ATTR{idProduct}=="4ee7",SYMLINK+="android_adb"
SUBSYSTEM=="usb",ATTR{idVendor}=="18d1",ATTR{idProduct}=="4ee7",SYMLINK+="android_fastboot"

# pixel xl / pixel 3a
SUBSYSTEM=="usb",ATTR{idVendor}=="18d1",ATTR{idProduct}=="4ee1",SYMLINK+="android_adb"
SUBSYSTEM=="usb",ATTR{idVendor}=="18d1",ATTR{idProduct}=="4ee1",SYMLINK+="android_fastboot"

# pixel 4a
SUBSYSTEM=="usb",ATTR{idVendor}=="18d1",ATTR{idProduct}=="4ee0",SYMLINK+="android_adb"
SUBSYSTEM=="usb",ATTR{idVendor}=="18d1",ATTR{idProduct}=="4ee0",SYMLINK+="android_fastboot"