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Sometimes the firmware files in your software are corrupted. Many users fix this by downloading a "known working" firmware folder (version 1622 is generally the most stable for clones) and replacing the contents of the Firmware folder in the Delphi directory.
Switch off Bluetooth on your computer.
Modified or cloned serial numbers (like the common 100251 ) can block updates within newer software versions.
: The VCI (Vehicle Communication Interface) must be connected to a stable 12V power source (usually the vehicle's OBD port) during the update. Relying solely on the laptop's USB power often causes the update to fail or get stuck. COM Port Mismatch
Windows failing to assign the correct COM port.
If your firmware update fails, gets stuck on a progress bar, or throws a "Communication Error," follow these troubleshooting methods in order.
: Connect the VCI to a vehicle or a 12V power supply. Do not rely solely on USB power.
: Confirm that the PC-to-VCI cable is securely connected and functional. Many update failures trace back to loose or damaged cables.
: Ensure the VCI is connected to a vehicle for 12V power and use a high-quality (ideally shorter) USB cable directly to the laptop. Update Serial Drivers Device Manager
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We use cookies to enhance your browsing experience serve personalized ads or content and analyze ourtraffic.Sometimes the firmware files in your software are corrupted. Many users fix this by downloading a "known working" firmware folder (version 1622 is generally the most stable for clones) and replacing the contents of the Firmware folder in the Delphi directory.
Switch off Bluetooth on your computer.
Modified or cloned serial numbers (like the common 100251 ) can block updates within newer software versions.
: The VCI (Vehicle Communication Interface) must be connected to a stable 12V power source (usually the vehicle's OBD port) during the update. Relying solely on the laptop's USB power often causes the update to fail or get stuck. COM Port Mismatch delphi ds100e firmware update problem full
Windows failing to assign the correct COM port.
If your firmware update fails, gets stuck on a progress bar, or throws a "Communication Error," follow these troubleshooting methods in order. Sometimes the firmware files in your software are corrupted
: Connect the VCI to a vehicle or a 12V power supply. Do not rely solely on USB power.
: Confirm that the PC-to-VCI cable is securely connected and functional. Many update failures trace back to loose or damaged cables. Modified or cloned serial numbers (like the common
: Ensure the VCI is connected to a vehicle for 12V power and use a high-quality (ideally shorter) USB cable directly to the laptop. Update Serial Drivers Device Manager