■펌웨어 다운로드:
https://github.com/darkxst/silabs-firmware-builder/tree/main/firmware_builds/zbdonglee
■매뉴얼 다운로드:
https://sonoff.tech/wp-content/uploads/2022/11/SONOFF-Zigbee-3.0-USB-dongle-plus-firmware-flashing-.pdf
■플래싱 절차
python3 -m venv /root/venv
source /root/venv/bin/activate
pip install universal-silabs-flasher
universal-silabs-flasher --verbose --device /dev/ttyUSB0 --bootloader-reset sonoff flash --firmware ncp-uart-hw-v7.4.4.0-zbdonglee-115200.gbl