103.rar < SIMPLE · 2025 >

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

Sometimes used in modding communities (e.g., for specific game engine builds). 103.rar

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

Before opening "103.rar," it is critical to know what it is for, as generic filenames like this are common in niche tech circles: Connect your VCI device via USB, open the

If the file is just named "103" without ".rar," manually rename it by adding .rar to the end so your software recognizes it.

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

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)