you could try flashing a general firmware too and see if that helps, you'll need to first flash preferably usblsafe or usbloader ( Balong USB Downloader 1.0.1.10 Guide | PDF - Scribd
: Open your device and locate the boot points. Connect the points using tweezers while plugging the device into your PC via USB. Check Device Manager
If you need to find the correct files for your device, let me know: balong-usb-downloader-1.0.1.10
When a Balong device is bricked, it cannot boot its Linux-based operating system, nor can it be recognized as a standard USB modem by a host computer. It is trapped in a pre-boot limbo.
Released on March 4, 2016, version 1.0.1.10 is a standalone Windows GUI application written in Object Pascal (Delphi). It was inspired by the command-line tool by developer forth32. This GUI version lets users load an emergency bootloader file ( usbloader.bin or the safer usblsafe-*.bin ) into the device's memory via an emergency USB-serial port (COM port). Unlike a standard firmware update, this process temporarily loads a utility into the device's RAM to perform tasks like flashing new firmware or recovering a bricked device. you could try flashing a general firmware too
[INFO] Device found. [INFO] Sending bootrom handshake... [INFO] Device now in USB Download mode.
Unbricking Your Huawei Modem: A Guide to Balong USB Downloader 1.0.1.10 It is trapped in a pre-boot limbo
Even with careful execution, problems can arise. Here are a few based on user reports:
This guide covers what the tool does, how it works, and how to use it safely. Understanding Balong USB Downloader
The custom developer community created modified "safe" bootloaders. These versions bypass the flash-erasure routines, keeping the device's hardware identity intact while clearing up the system partitions.