-huawei Firmware E173 11.126.85.00.209 B427- Fixed Here

Your hardware is not a standard E173. It might be an OEM variant. Fix: You need to force the flash using the FlashTool (Huawei Middle Platform Tool). This bypasses the PID check.

Denotes the hardware verification variant, ensuring it targets the appropriate E173 sub-model (such as the E173u-1, E173u-2, or E173s-2). 2. Why Upgrade to 11.126.85.00.209 B427? -huawei firmware E173 11.126.85.00.209 B427-

The represents a mature, stable endpoint for the Huawei E173's lifecycle. It won't win any speed records, but it transforms a glitchy, carrier-locked stick into a reliable USB modem. Your hardware is not a standard E173