: Used in mid-generation 3G modems (e.g., Huawei E303, E3131). Modern Compatibility Limitations
Generating the 8-digit or 16-digit code required to bypass the "SIMLOCK" screen.
Huawei Modem Unlocker V.5.7.7 By Bojs 328: A Comprehensive Guide to Unlocking
Offers a "Direct Unlock" feature for specific firmware versions.
It sounds like you're referring to a older tool (“Huawei Modem Unlocker V.5.7.7 By Bojs 328”) used to generate unlock codes or flash firmware for Huawei USB modems/dongles (e.g., E1550, E173, etc.). Huawei Modem Unlocker V.5.7.7 By Bojs 328
This version is quite old and is generally only effective for legacy "v1" and "v2" Huawei algorithms (e.g., E173, E1550). It typically does not work on modern 4G/5G Huawei devices, which use more complex encryption.
Follow these instructions carefully to unlock your Huawei modem using V.5.7.7:
Developed by , a well-known name in the developer community for creating free networking tools, this utility works by calculating the necessary Network Control Key (NCK) based on your device's unique IMEI number . By entering this code, the modem is permanently unlocked to work with any SIM card from any network provider globally. Key Features of Bojs Unlocker V.5.7.7
: Restart the modem to verify if it successfully picks up a signal from the new network provider. Modern Alternatives to Legacy Tools : Used in mid-generation 3G modems (e
The program typically requires "Run as Administrator" privileges on Windows to access the COM ports used by the modem. or a list of specific AT commands for manual unlocking?
The user inputs the unlock code into the modem, which then allows the device to accept SIM cards from other carriers.
The tool offers several direct technical actions within its minimalist graphical user interface (GUI):
Some versions include options to flash a "Mobile Partner" dashboard or change the firmware. It sounds like you're referring to a older
:
Since this tool is no longer officially maintained, it is often hosted on third-party file-sharing sites. Always scan the file with an antivirus tool before running it. Admin Rights:
: Launch the unlocker tool as an Administrator.
Huawei Modem Unlocker V.5.7.7 by Bojs is a well-known legacy tool used for unlocking Huawei 3G and 4G modems, allowing them to accept SIM cards from different network providers. This utility became popular in the tech community as a free solution for bypassing carrier locks on USB dongles. Core Functionality