Your router is now out of its bricked state and ready to accept native software. You must immediately use a secondary tool like balong_flash.exe or standard Huawei matrix flasher tools via the PC UI Interface COM port to write your permanent, functional firmware file. Troubleshooting Common Errors "Device not found" or COM Port Missing
:
The system must have the Huawei Mobile Connect Driver or specialized Balong USB drivers installed to correctly assign virtual COM ports.
When a modem's primary operating firmware is corrupted, the chip cannot load its main operating system. To resolve this, developers use a fallback mechanism hardcoded into the silicon:
Successfully using Balong USB Downloader 1.0.1.10 requires more than just the tool itself; it requires the right environment and preparation.
To counter this threat, the tool is heavily used alongside , commonly named usblsafe.bin . These custom binary variants have their flash-erasure procedures completely disabled. They allow the user to revive the device's system partitions while leaving calibration structures entirely intact. Basic Operational Workflow
Run Balong_USB_Downloader.exe as Administrator (right-click → Run as Administrator). The main window shows: