Optimizing Your Movitel D-Com 3.5G: Best Download Setup Guide

Network Mode: Change your connection type from "Auto" to "3G Only" or "WCDMA Only". This prevents the modem from dropping down to slower 2G (EDGE) speeds when the signal fluctuates, which is common in 3.5G areas.

If the software doesn't launch, open "My Computer" and run the Setup.exe file from the virtual drive. The Best APN Settings for Movitel 35G

Understanding DCOM and Movitel