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/" .
To access the files inside, you need a decompression utility: The official tool for .rar files.
Connect your VCI device via USB, open the software, go to Settings > Hardware Setup , and click Update Firmware . 4. Troubleshooting 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.
If this file is for a car diagnostic tool (Delphi/Autocom), follow these general steps: A free, open-source alternative available at 7-zip
Sometimes used in modding communities (e.g., for specific game engine builds).
If prompted for a password, common defaults for tech archives are 1234 , mhhauto , or the name of the website where you found the link. 3. Usage Guide (For OBD2 Firmware 103) Select "Extract Here" or "Extract to 103/"
Often used for "Double PCB" Delphi/Autocom VCI devices to update them to firmware version 103.