Useful udev commands

• Debugging

  udevadm test $(udevadm info -q path -n /dev/ttyUSB0)

• Check attributes

  udevadm info /dev/ttyUSB0

• Check details of path

  udevadm info -a /dev/bus/usb/001/022

• 001 and 002 you find with

  lsusb

Making Sonoff ZBDongle-E a router

I used https://www.vandyke.com/products/securecrt/ for flashing...

In general these were good instructions...

https://sonoff.tech/wp-content/uploads/2022/11/SONOFF-Zigbee-3.0-USB-dongle-plus-firmware-flashing-.pdf

Only thing I would clarify

"Keep pressing the Boot button, restart the device..." to "Keep pressing the Boot button and press restart button at the same time."