If Balong fails to see the COM port, ensure you have installed the "Huawei DataCard Driver."
The Huawei E5573cs-609 variant requires this low-level intervention for several specific scenarios: Balong Usb Downloader E5573cs-609-
Improper use of this tool or the needle method can render the device permanently unbootable. Advanced Complexity: If Balong fails to see the COM port,