Huawei Modem Unlocker V.5.7.7 By Bojs Downlad May 2026

What the tool claimed to do:

Safer, legal alternatives:

If your goal is simply to use a different SIM:
Consider buying an unlocked modem or portable hotspot – they're inexpensive and won't risk bricking your device or violating laws.

Huawei Modem Unlocker V.5.7.7 By Bojs is a popular third-party software tool designed to bypass network restrictions on various Huawei USB modems, allowing them to use SIM cards from any carrier. Key Features

Universal Compatibility: Supports older and widely used models such as the E156, E1550, E1552, E160, and E173. Huawei Modem Unlocker V.5.7.7 By Bojs Downlad

Unlock & Flash: Capable of generating unlock codes and flash codes required for firmware updates.

User-Friendly Interface: A simple executable that typically requires only the device's IMEI to generate necessary codes. Cost: Generally available as a free tool for personal use. How to Use the Unlocker

Connect Your Device: Plug your Huawei modem into your computer without a SIM card inserted, or with a SIM card from a "non-supported" network.

Identify IMEI: Find your modem's 15-digit IMEI number, usually printed on the device or found in the "About" section of your modem's original dashboard. What the tool claimed to do:

Run the Software: Open the Huawei Modem Unlocker V.5.7.7 application.

Generate Codes: Enter your IMEI into the tool and click the "Calculate" or "Unlock" button to receive your unique unlock and flash codes.

Enter Unlock Code: When prompted by your connection software (like Huawei Mobile Partner) for a SIMLOCK Code, enter the generated unlock code to permanently free your device. Important Considerations

Safety: Only download this tool from reputable forums or tech blogs. Third-party software can sometimes contain malware; it is recommended to scan the file using a VirusTotal check before running it. Safer, legal alternatives:

Success Rates: While effective for many older models, newer 4G/5G Huawei modems may use updated security protocols that this specific version (V.5.7.7) cannot bypass.

Alternative Method: For many modern routers, you can often unlock the device by accessing the web management page at http://192.168.8.1 and entering the code directly in the SIMLOCK settings. Huawei Modem Unlocker V.5.7.8 - Google Groups

While Huawei Modem Unlocker V5.7.7 is a powerful tool, it carries risks:

  • Often offers “Auto-unlock” and several device selection profiles.
  • Typically Windows .NET-based, small (tens of KB) and distributed as a portable EXE or ZIP.

    • Important: if the tool returns a request for an unlock code rather than performing automatic unlock, you may need to use a code calculator or paid unlock service specific to the model/IMEI.