: This Windows utility is the standard tool used to "send" the .bin file to the modem via a COM port.
To use the USB Loader, the modem must be detected by the PC. e5573s320 usbloaderbin work
Open your flashing tool (e.g., Balong Tool) and select the detected COM port. Click the option to load a file and select your usbloader.bin : This Windows utility is the standard tool