Verify your router's exact model variant (e.g., B315s-22 vs. B315s-936) and download the correct payload file. Try a different USB port, preferably a USB 2.0 port on the back of the motherboard. 3. Device Disconnects Immediately After Loading
Select the appropriate loader file (e.g., usblsafe.bin ). Experts recommend usblsafe over usbloader to avoid erasing critical device identity data like the IMEI and serial number.
Ensure the router is completely powered off and disconnected from the computer.
Use a metal pin or tweezers to bridge (short-circuit) the Testpoint pad to the metal ground shield.
: It is a critical component in guides for unlocking devices like the Huawei E5573Cs-609 . balong usb downloader v1.0.1.10
Once the loading is finished, the modem typically restarts and is recognized as a new hardware device.
It can automatically scan and identify the correct COM port for the connected modem.
What is the of your Huawei device (e.g., B315s-22, E3372h-153)? What operating system are you running on your computer?
: Incompatible bootloader file or insufficient power supply. Verify your router's exact model variant (e
Always backup your device data before proceeding with flashing firmware, as the process can erase data.
Put the device into USB download mode
After the downloader successfully injects the bootloader, the device enters a state where standard firmware flashing tools can be used to restore the full operating system. 4. Compatibility and Requirements Widely used for models such as the Airtel 4G Hotspot E5573CS-609 , Huawei E3372, and various B-series routers. Supporting Software: Often used in conjunction with tools like for terminal commands and Firmware Flash Code Calculators to bypass password protections. Operating System:
: Disconnect the power, re-bridge the pins carefully, and ensure you are using a high-quality USB data cable. Reinstall the Huawei USB COM 1.0 drivers if necessary. 2. "Error open port" or "Port is busy" Ensure the router is completely powered off and
For devices that have suffered from software issues or have been bricked (rendered inoperable), this tool can help restore the device to a functional state.
: The specific binary file required for your modem model to "wake up" the hardware.
The Balong USB Downloader cannot communicate with a device in its standard operating mode. You must force the hardware into (also known as Godload or BootROM mode).
Technicians often find this utility on community-driven platforms like Scribd or specialized firmware repositories like HalabTech .
: Launch the downloader and click Detect . It should automatically identify the active COM port.
The usbloader.bin file might be wrong for your specific modem sub-model.