: Open Windows Device Manager and verify that your Huawei drivers are correctly installed under "Ports (COM & LPT)". Try switching to a different USB port.
By following this guide, you can safely and breathe new life into an old 3G modem—freeing it from carrier locks forever. Download Huawei Modem Code Writer V1.0b
For modern 4G/LTE or 5G dongles, V1.0b will simply not recognize the hardware. You will waste hours troubleshooting. In that case, invest $10–15 in DC-Unlocker credits. : Open Windows Device Manager and verify that