I see a lot of videos on how to flash the Sonoff USB dongle:
HOW TO - Sonoff Zigbee 3.0 Dongle Plus in Home Assistant (Flash, Update, Zigbeemqtt & MQTT Broker)
by Mark Watt Tech
Update (almost) any Zigbee USB or network sticks from within HA
by BeardedTinker
But why?
Aren’t they good out of the box?