Firmware upgrades on my Zigbee dongle Jul 6, 2023·1 min I followed these links: https://vandalen.dev/post/how-to-update-sonoff-zigbee-3-0-zbdongle-p-usb-firmware-using-a-mac/ Also, note: Couldn’t see the Sonoff dongle on my M1 mac but it showed up on an Intel Mac.