: Using usbloader.bin involves low-level hardware and software modification. Mistakes in this process can permanently disable (brick) the device.
Flashing custom boot loaders and changing firmware can permanently brick your hardware if interrupted or if incompatible files are used. Always ensure your laptop or PC remains connected to a stable power source during the process, and never unplug the USB cable while Balong USB Downloader is actively running.
Reinstall the Huawei_Driver_5.05 package, switch to a USB 2.0 port on your computer, and ensure your tweezers maintain steady contact during connection. Critical Safety Warning
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Click the three dots ( ... ) to select your usbloader.bin file. e5573s320 usbloaderbin work
: To use the loader, you must manually short a specific "boot pin" (test point) on the motherboard to the ground while connecting it to your PC.
Identify the (often the pin closest to the USB port) and the ground (metal casing of the USB port).
To get your back up and running with a usbloader.bin file, you'll typically use a process called a " boot shot " or "test point" method. This is common for unbricking a device or fixing the "Error 19" issue during unlocking. Preparation & Requirements
is a specialized bootloader utility used to repair, unlock, or re-flash the device when standard firmware updates fail or the modem is "bricked". It is primarily a tool for technician-level maintenance rather than a consumer feature. Core Functions & Use Cases : Using usbloader
Once Windows Device Manager lists the device under ports as Huawei USB COM 1.0 (COMxx) , the hardware is primed: Open the flashing tool (typically ).
This is the most critical step. You need to force the modem into a state where it accepts the USB Loader.
Community repositories like forth32's GitHub and forums like Hovatek or 4PDA are the primary sources for these binaries.
Click "Load." The progress bar should move steadily as the file is sent to the modem. : Always ensure your laptop or PC remains connected
Using a usbloader.bin compiled for an E5573cs on an E5573s-320 will result in a hard freeze.
: Facilitates access to low-level AT commands required to rewrite or fix a damaged IMEI. Operational Requirements
The final step is to write an unlocked IMEI or NCK code to the device using , a common tool for Huawei modems.