If your modem does not have a GUI prompt, the tool can send the code directly:
Huawei Modem Unlocker V5.8.1b is a freeware application created by a developer known as "Bojs" (sometimes stylized as BOJS). Unlike paid unlocking services that charge $10–$30 per code, this tool calculates the unlock code locally on your computer. Download Huawei Modem Unlocker V5.8.1b By Bojs Latest
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | "Modem not detected" | Drivers missing or modem in CD-ROM mode. | Install Huawei drivers. Use "Mode Switcher" tool to eject virtual CD-ROM. | | Generated code doesn't work | 1) Wrong algorithm. 2) Modem already unlocked. 3) Counter lock (too many wrong attempts). | Wait 24 hours. Try DC-Unlocker. Do not exceed 5 attempts. | | "No COM port" | Modem is in HiLink (Ethernet) mode. | Switch to NDIS mode or use a USBView utility to toggle mode. | | Virus warning | False positive (the tool uses low-level COM port access). | Add exception in antivirus OR use a Virtual Machine. | | Tool crashes on launch | Missing MSVBVM50.DLL (Visual Basic runtime). | Download and install VB6 runtime libraries. | If your modem does not have a GUI
Using the tool felt like a mini-hacking scene from a movie. Users would plug in their Huawei modem, ensure the correct drivers were installed, and run the Bojs software. Huawei Modem Unlocker V5
The software would scan the device's identifier (IMEI), process it through the known algorithms, and output an 8-digit code. The user would then insert a "foreign" SIM card, a popup would appear on the PC asking for the unlock code, and typing in the Bojs-generated number would permanently free the device.
Always scan the downloaded .exe file with Windows Defender or VirusTotal before running.