EtsMain 6.1

EtsMain by VIA Telecom is an engineering test and diagnostics component used with devices that incorporate VIA Telecom cellular modem chipsets. It provides interfaces for modem configuration, network calibration, and trace/log capture, and is often bundled with OEM drivers, provisioning utilities, or factory service tools. EtsMain commonly runs on Windows and communicates with the modem over USB or virtual serial ports. It is intended for developers, service technicians, and manufacturing environments rather than everyday users; removing or disabling it may affect device provisioning, testing, or troubleshooting workflows.

EtsMain is developed by VIA Telecom. The most popular version of this product among our users is 6.1. The name of the program executable file is EtsMain.exe.