Flash Sonoff Zigbee 3.0 Dongle plus

# Install Python for windows download right here and install it.
# Make sure you enable everything when installing
# it might be necessary to reboot computer
https://www.python.org/downloads/
make a folder C:\sonoff
run cmd as administrator
type powershell and press enter
Type each command below - step by step

# go to the folder
cd c:\sonoff

# Upgrade PIP as so it is the latest release
py -m pip install --upgrade pip

# Install the module for Import Serial
py -m pip install pyserial

# Install the Module for flashing HEX-files
py -m pip install intelhex

# Install the module gevent for the flash py file.
py -m pip install gevent

# Install zigby-znp to be able to flash
py -m pip install zigpy-znp

# download the portfinder
Invoke-WebRequest -uri "https://github.com/JelmerT/cc2538-bsl/files/7504452/uartLog.zip" -outfile uartLog.zip

# Unzip the uartlog.zip
Expand-Archive uartlog.zip -destinationpath C:\sonoff

# download the flasher
Invoke-WebRequest -uri "https://github.com/JelmerT/cc2538-bsl/blob/feature/ITead_Sonoff_Zigbee-delay/cc2538-bsl.py?raw=true" -outfile "cc2538-bsl.py"

# download the HEX-file (Current latest master-branch firmware)
Invoke-WebRequest "https://github.com/Koenkk/Z-Stack-firmware/blob/master/coordinator/Z-Stack_3.x.0/bin/CC1352P2_CC2652P_launchpad_coordinator_20230507.zip?raw=true" -outfile New_firmware.zip

#unpack the Hexfile
Expand-Archive new_firmware.zip -destinationpath C:\sonoff

#find the portnumber by running the uartlog.py press CTRL+C to break it. - You down have op open your Sonoff stick when using this method.
# If no portnumber shows up - then you need  a windows driver. Download the driver here:
# https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers
py uartlog.py

#flash the file to the Sonoff Zigbee 3.0 Dongle+ - REMEMBER to change the portnumber.
py cc2538-bsl.py -p COM7 -evw --bootloader-sonoff-usb CC1352P2_CC2652P_launchpad_coordinator_20230507.hex