Modem firmware image flashing and then provisioning is an important work for any lab engineer who are involving in modem device flashing and do quality check in production environment. Firmware releases will takes place on regular basis until the product support expires. So the requirement of a tool that enables flashing firmware file has central importance. An effort is made here to explain the contemporary flashing tool’s design aspects and provided a basic GUI application implemented using language C# .Net, WPF, MVVM