Download Huawei Modem Unlocker V5.8.1 [2021]

Since antivirus will block or delete the unlocker:

This is the most critical question. Because this tool interfaces directly with your modem’s firmware and Windows registry, many antivirus programs flag it as a "HackTool" or "RiskWare." Download Huawei Modem Unlocker V5.8.1

Place a SIM card from a different network into the modem and connect it to your PC. Since antivirus will block or delete the unlocker: