| Item | Details | |------|---------| | | Huawei E173u-1 (check sticker on device) | | PC | Windows 7/8/10/11 (32/64-bit) | | Cables | USB cable (direct connection, no hub) | | Backup | Optional: Backup original firmware via HCU or DC-Unlocker | | Drivers | Huawei NDIS driver / Modem driver installed |
Recommendation: Do the free firmware flash. It takes 20 minutes and costs $0. Huawei E173u-1 Unlock Firmware
To modify the firmware, the modem must be placed in "Download Mode." In older Huawei modems, this was often achieved by shorting specific test points on the circuit board (a process known as "jtag" or "boot repair"). In the E173 series, specialized software tools were historically used to send AT commands that put the modem into a state ready to receive new firmware. | Item | Details | |------|---------| | |