Install dfu-util by entering the following commands in the terminal:
sudo apt update sudo apt install dfu-util
Device firmware update (DFU) USB programmer
dfu-util is a program that implements the host (PC) side of the USB DFU 1.0 and 1.1 (Universal Serial Bus Device Firmware Upgrade) protocol. . DFU is intended to download and upload firmware to devices connected over USB. It ranges from small devices like micro-controller boards up to mobile phones. With dfu-util you are able to download firmware to your device or upload firmware from it.