Delphi+ds100e+firmware+update+problem+top | //top\\

: A faulty or overly long USB cable can cause data drops. Try a shorter, high-quality cable or a different USB port on your PC.

: Avoid high COM port numbers (e.g., above COM 20). If yours is too high, change it to a lower number in the Advanced Port Settings in Device Manager.

: Use a tool like STMicroelectronics Flash Loader to manually flash the firmware file (usually found in the Firmware folder of your Delphi software). 4. Best Practices for a Successful Update delphi+ds100e+firmware+update+problem+top

If it appears as an "Unknown Device," right-click it, select , and manually browse to the Drivers folder within your Delphi installation directory. Step B: The Software "Test" Trick

: Ensure the firmware version you are trying to upload matches the version required by your software build (e.g., v1622 for 2017.3). Troubleshooting Checklist Summary Primary Fix No VCI Found Reinstall USB drivers manually from the Delphi folder. Update Fails at 50% Ensure 12V power is connected to the OBD port. Device is Dead Use Flash Loader Demonstrator to unbrick the MCU. : A faulty or overly long USB cable can cause data drops

Find "Ports (COM & LPT)" and look for .

: If Windows doesn't recognize the VCI as a "USB Serial Port" in the Device Manager , the software cannot push the update. 2. Step-by-Step Firmware Recovery Guide If yours is too high, change it to

Before diving into technical fixes, ensure these basic requirements are met: