Delphi Ds100e Firmware Update Problem Link |top|

: The firmware bar may stop moving if the COM port is busy or improperly configured.

Follow these steps in order to re-establish a connection and successfully flash your Delphi DS100E VCI. 1. Isolate the Power and Connection

Navigate to your Delphi installation folder (usually C:\Program Files (x86)\Delphi Diagnostics\Delphi Car\Drivers ).

to ensure you have the latest compatible version (currently up to DS 2025.05 delphi ds100e firmware update problem link

Click the button. The software will scan your virtual COM ports to locate the VCI.

Outdated or corrupted FTDI drivers prevent the computer from recognizing the VCI.

Alternatively, use a 12V DC bench power supply to power the unit. : The firmware bar may stop moving if

Windows frequently reassigns COM ports, which breaks the update link. Open on your PC.

Select or manually choose the matching COM Port . Click Test .

Some steps, like manual firmware replacement in the FIRMWARE folder, may work for clones. However, if the VCI has a counterfeit FTDI chip, driver-related issues are unlikely to be fixable with software solutions alone. Isolate the Power and Connection Navigate to your

: A loose USB port or a faulty cable is a frequent culprit.

If you have followed the steps above and the update link still fails, try these advanced fixes: