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
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.elf
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 