E5573s320 Usbloaderbin Hot

Locate and unscrew the small screws securing the inner plastic shielding.

| Tool/File | Description | | :--- | :--- | | | Modem drivers (e.g., Huawei Driver 5.05.02.00 ) so your PC recognizes the device. | | Balong USB Downloader | The main tool to flash usbloader.bin to the device. | | usbloader.bin | The bootloader file specific to your model . Using a file for E5573Cs-322 on an E5573s-320 can cause a brick. The 99 version number often indicates it's a service firmware containing the loader. | | Intermediate (Service) Firmware | A specific firmware, like 21.110.99.02.00 , used as a transitional step to prepare the device. | | Final Firmware & WebUI | The stock firmware you want to install, e.g., 21.180.17.00.00 , and a WebUI dashboard package, like E5573s-update-webui-17-100-11-00-03 . | | DC Unlocker (Free Version) | A utility to read device information, send AT commands, and verify unlocks. | e5573s320 usbloaderbin hot

Once the loader file is successfully injected, Device Manager will refresh and show two active Huawei COM ports. Locate and unscrew the small screws securing the

When an E5573s-320 is bricked, software cannot force it into an upgrade mode. You must bridge the hardware test point on the motherboard. | | usbloader