Flashing firmware carries risks. A failed update can render your modem useless (hard brick). Please follow these requirements: The flashing tool is designed for Windows. Huawei E173 Modem: Ensure you have the correct model.
Flashing generic or specific operator firmware is often a required step before attempting to unlock the device for all SIM cards. Bug Fixes: -huawei firmware E173 11.126.85.00.209 B427-
On a connected E173, send the following AT command: Flashing firmware carries risks
USB 2.0 interface with integrated plug-and-play auto-installation architecture. -huawei firmware E173 11.126.85.00.209 B427-