Delphi Ds100e Firmware Update Problem Link 📢

: Open Device Manager , locate the "Unknown Device" under USB Serial Ports, and manually update the driver by pointing to the "Drivers" folder within your Delphi installation directory.

For official software updates and technical documentation, refer to the following sources: Delphi DS150E Firmware Upgrade Procedure

You should see or USB Serial Port (COMX) .

Look for an "Unknown Device" or "USB Serial Port" under Ports (COM & LPT) or Universal Serial Bus controllers. delphi ds100e firmware update problem link

Look for or USB Serial Port . Note the COM port number (e.g., COM3).

Paste a known stable firmware version compatible with your device clone into this empty folder. (Versions like 1622 are widely considered the most stable for older double-board clones, while newer versions support single-board designs).

Connect the 16-pin OBD2 connector to a stable 12V power supply (either a vehicle OBD port with a healthy battery or a dedicated 12V bench power supply). The VCI requires external power from the vehicle side to flash the firmware chips successfully. 2. Verify Device Manager Configuration Open Windows . Expand the Ports (COM & LPT) section. : Open Device Manager , locate the "Unknown

: The device will typically flash red during the update.

The Windows Device Manager must match the port selected in the Delphi software.

Incorrect VCI serial numbers in the installation.xml file will cause firmware failures. Look for or USB Serial Port

If a yellow exclamation mark appears, right-click the device, select , and manually point Windows to the Driver folder located inside your primary Delphi software installation directory. 3. Manual Firmware File Replacement

: If the PC does not recognize the VCI, it is usually due to a missing FTDI driver or an incorrectly assigned COM port in the software's hardware setup.

Connect the VCI to a vehicle (OBDII port) or a 12V power supply. Firmware cannot update on USB power alone. 2. Identify the COM Port Open Device Manager on Windows.