Before proceeding, verify that you need the update. Connect the DS-80249-P via USB to a host PC and use the manufacturer’s diagnostic tool (often named DS80Diag.exe or a Python script using pyusb ). Alternatively, send a raw HID command:
DS-80249 -p rev 1.2 " does not correspond to a widely documented consumer electronic device, it closely matches the naming conventions used by ds-80249 -p rev 1.2 firmware
Background and context