The Dedicated Offline Laptop Method:

Correct COM Port Selection

: Go to Settings > Hardware Setup . Ensure you have selected the correct COM port (often port 9 or similar). Click Test ; if the test is successful, the firmware update should complete without failing. delphi+ds100e+firmware+update+problem+work

, find the Delphi device under "Ports (COM & LPT)" or "Universal Serial Bus controllers," and manually update the driver by pointing Windows to the folder inside your Delphi software installation directory. Check the COM Port: "Delphi DS100E firmware update problem - how to