: Used in conjunction with tools like Balong USB Downloader and appropriate Huawei Modem Drivers .
Use the boot shot method above and load the usbloader.bin first to unlock the flash memory for writing.
: The dedicated lightweight execution utility used to push binary files over serial ports. e5573s320 usbloaderbin work
If you are looking to unlock your device, you might want to look at tutorials for the specific network your Huawei E5573s-320 is locked to, such as a Smartbro modem to know if you need to use this technique. YouTube·Movie ShortCuts
Open on your PC. Look under the "Ports (COM & LPT)" drop-down menu. : Used in conjunction with tools like Balong
Open your computer's and expand the Ports (COM & LPT) section. You should see a port labeled: Huawei Mobile Connect - 3G PC UI Interface (COMx) or Emergency Download Port . Note down the assigned COM number. Step 3: Executing usbloader.bin via Balong Downloader Launch the Balong USB Downloader executable.
: The modem is stripped to the motherboard to access the boot pin . If you are looking to unlock your device,
Most guides say: "Download usbloader.bin , plug in your router via USB, run balong-usbloader , and you're done." In reality, I ran into three major issues:
Unlike older Huawei dongles (E3531, E303), the E5573s-320 has aggressive power management. It doesn't stay in "Download Mode" for long. If you attempt to load usbloader.bin at the wrong millisecond of the boot cycle, the device times out and reboots into normal mode, rendering the flash attempt useless.