Extract the contents of "103.rar" and copy the files into the Firmware folder of your software.
Connect your VCI device via USB, open the software, go to Settings > Hardware Setup , and click Update Firmware . 4. Troubleshooting
Copy your existing firmware folder within your diagnostic software directory (usually in C:\Program Files (x86)\... ). 103.rar
If you get a "Checksum Error," the download was likely interrupted. Try downloading the file again using a download manager .
Sometimes used in modding communities (e.g., for specific game engine builds). Extract the contents of "103
If you downloaded this from an untrusted site (like a random forum or pop-up), do not open it . Scan it immediately with VirusTotal . 2. How to Open "103.rar"
If the file is just named "103" without ".rar," manually rename it by adding .rar to the end so your software recognizes it. Try downloading the file again using a download manager
If this file is for a car diagnostic tool (Delphi/Autocom), follow these general steps: