103.rar May 2026

Copy your existing firmware folder within your diagnostic software directory (usually in C:\Program Files (x86)\... ).

A free, open-source alternative available at 7-zip.org . PeaZip: Another robust open-source option . Steps to Extract: Right-click the 103.rar file. Select "Extract Here" or "Extract to 103/" . 103.rar

To access the files inside, you need a decompression utility: The official tool for .rar files. Copy your existing firmware folder within your diagnostic

Often used for "Double PCB" Delphi/Autocom VCI devices to update them to firmware version 103. open the software

Connect your VCI device via USB, open the software, go to Settings > Hardware Setup , and click Update Firmware . 4. Troubleshooting

Sometimes used in modding communities (e.g., for specific game engine builds).