Using the wrong loader file for your exact chipset model can create a permanent brick.
The usbloader.bin file does not match your exact hardware revision or the USB cable lost connection. balong usb downloader v1.0.1.10
Locate the pin. This is usually a small copper pad next to a ground shield. (You will need to search for a diagram specific to your model, e.g., "Huawei B315s testpoint" ). Using the wrong loader file for your exact
Balong USB Downloader v1.0.1.10 is a lightweight Windows utility designed to inject a bootloader payload into a bricked Huawei device. When a modem is corrupt, it cannot load its internal operating software. By forcing the device into a low-level hardware mode, this tool bypasses the corrupted internal storage and loads a temporary bootloader directly into the RAM via USB. Once this temporary bootloader runs, the device opens a regular COM port, allowing users to flash standard firmware. Key Features and Capabilities This is usually a small copper pad next to a ground shield