How To Update The Firmware

1. Download the STM32CubeProgrammer program from ST's Website https://www.st.com/en/development-tools/stm32cubeprog.html
2. Connect the device to a USB port on your computer
3. Bridge the two pins labeled "Boot" using a Jumper (or see note below)
4. Switch on the device: it should now be visible on your computer as a "STMicroelectronics STM32 Bootloader" device
5. Start STM32CubeProgrammer
6. On the top right hand corner select "USB" and then click "Connect". 
7. Click on "Open File" and navigate to and select the binary xxx.bin
8. Click  on "Download"
9. Wait until the download completes
10. Remove the jumper and restart the device
11. On the device open the About screen and verify the new FW version 

Note: If the device is already running you can start the bootloader without having to open the enclosure: Instead of bridging the two boot pins you can send command SYSTem:BOOTloader to the device or go to the System screen on the GUI and start the bootloader there. Continue with step 4.



How To Unlock the Firmware

The firmware has a built-in time limitation. To unlock the firmware you need a registration  key
which you can enter on the registration page of the GUI.
The registration key is available for free from info@mcu-projects.de.
Include the product name and the serial number (see About screen) in your request.
