Find "Ports (COM & LPT)" and locate your VCI (often listed as Autocom or Delphi ). Right-click > > Port Settings > Advanced .
Ensure it appears as or Delphi VCI . If it shows "Unknown Device," right-click and manually point the driver update to the C:\Program Files\Delphi\Drivers folder. delphi+ds100e+firmware+update+problem+work
Close all unnecessary background applications, especially other diagnostic software or aggressive antivirus programs that may block the serial data transfer. If the update continues to fail, manually replacing the "firmware" folder within the Delphi installation directory with a known stable version can often force the device to sync. Conclusion Find "Ports (COM & LPT)" and locate your
If it shows an exclamation mark, right-click and select "Update Driver," then manually point it to the Drivers folder within your Delphi installation directory. If it shows "Unknown Device," right-click and manually
Q: Can I update the firmware on my Delphi DS100E using a mobile device? A: No, the firmware update can only be done using a computer and the Delphi update tool.
The Delphi DS100E is a powerful, affordable interface you can manage its notorious firmware update failures. The problem is real, widespread, and mostly affects clones. The workarounds exist but require moderate electronics skill. Do not update the firmware unless absolutely necessary , and never through the official tool without first confirming your device is genuine.