After the update, John restarted the modem and was thrilled to see that it had been successfully unlocked. The device now accepted SIM cards from any network provider, and John was confident that his client's issue was resolved.
Ensure checksum (MD5/SHA1) matches to avoid corruption. Huawei E173u-1 Unlock Firmware
Common versions include 11.126.85.00.209 and 11.126.16.05.755 . After the update, John restarted the modem and
| Aspect | Rating | Notes | |--------|--------|-------| | Unlock success | ✅ High | Works on most E173u-1s, especially with correct firmware version | | Signal strength | ✅ Same as stock | No degradation observed | | Connection speed | ✅ Unchanged | Still 21.6 Mbps theoretical | | Dashboard stability | ⚠️ Variable | Some custom dashboards crash; stock dashboard can be reinstalled separately | | USB detection | ⚠️ Occasional issue | After flash, may need driver reinstall | | Brick risk | ⚠️ Moderate | Wrong firmware (e.g., E173s-1 vs E173u-1) can brick modem | Common versions include 11
The client was grateful for John's expertise and quick turnaround. As it turned out, the surplus modems were originally locked to a specific network, but with John's help, they were now free to use on any network. John, on the other hand, had expanded his knowledge of Huawei modems and had a good story to share with his colleagues.
E173u-1_Update_21.321.03.00.00_Generic.dload