: You will need the Huawei Flasher tool, a "trigger" firmware to put the device into download mode, and the final firmware package you wish to install. Typically, firmware version 21.270 is used as the trigger firmware, while version 21.271 is the final unlocked firmware.
If the AutoRun doesn't start, manually open My Computer , right-click the virtual drive (often labeled as the carrier name, like "BOLT!"), and select Run as administrator on AutoRun.exe or setup.exe .
The installer will run silently or display a brief progress bar. Once finished, restart your computer. Driver Modem Huawei E5372s
A3: On Windows, the manufacturer provides a custom NDIS driver to enable the modem’s network interface. Linux uses generic, built‑in modules ( usbserial , option , cdc_ether ) that support the device without proprietary drivers.
: Before attempting any manual firmware update, fully charge your device's battery. Also, be aware that updating firmware can sometimes lock your device to a specific network provider if the new firmware includes carrier-specific restrictions. There have been reports of devices becoming "network locked" after accepting an OTA update, requiring unlocking tools or credits from services like DC-Unlocker to resolve the issue. : You will need the Huawei Flasher tool,
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: If the virtual CD‑ROM does not appear automatically, ensure that the E5372s is powered on and that its USB mode is set to “Modem” or “Auto” (this can be changed via the device’s web interface, typically at http://192.168.8.1 ). The installer will run silently or display a
With the right drivers and a little know‑how, your Huawei E5372s will provide years of stable, high‑speed mobile connectivity wherever your travels take you.
The installer runs silently in the background. Wait 1–2 minutes for the process to complete, then reboot your machine. Verifying the Driver Installation on Windows