1. Stop Zigbee2MQTT
2. In the directory with Zigbee2MQTT installed, run:

node scripts/zStackEraseAllNvMem.js /dev/ttyUSBxxxx # Replace with your USB port, usually /dev/ttyUSB0 for a stick or /dev/ttyAML2 for controllers

1. Restart Zigbee2MQTT
2. We are waiting for 5 minutes for the whole network to work.
3. Stop Zigbee2MQTT
4. Insert a fresh stick (mandatory with reset NVMEM)
5. Run Zigbee2MQTT, wait a few minutes, look at the logs (usually recovery can take up to 5 minutes, depending on the number of devices).
6. 99% of devices should work