The e5573s-320 is a Huawei mobile Wi‑Fi (MiFi) hotspot model. A "USB loader.bin" file is a small firmware/loader used to force the device into a mode where a custom firmware, unlocked firmware, or network-unlock tool can be flashed via USB (often called "Emergency Mode", "Download Mode", or "Firmware Update Mode").
Getting the e5573s320 usbloader.bin to work is 30% software and 70% timing. If you fail on your first ten attempts, do not panic. The Huawei Balong chipset is notoriously resilient.
Remember the checklist:
Once you see that green "Download OK" message, you have saved your router from the electronic graveyard. Bookmark this guide, share it on modding forums, and enjoy your fully functional E5573s-320.
Disclaimer: Modifying router firmware may void your warranty and local telecom regulations. The information provided is for educational purposes and recovery of devices you own legally.
To get your Huawei E5573s-320 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
Hardware: A screwdriver to dismantle the device and metal tweezers (or a wire) for the boot shot. Software:
Balong USB Downloader: The primary tool used to load the .bin file.
Drivers: Huawei Mobile Connect drivers (ensure the device shows as "3G PC UI Interface" in Device Manager). The File: A compatible usbloader.bin for the E5573s-320. Step-by-Step Guide
Dismantle the Device: Carefully remove the back cover and screws to access the motherboard. Perform the Boot Shot: Keep the battery inside but do not turn the device on.
Identify the boot pin (often the pin closest to the USB port) and the ground (metal casing of the USB port).
Use your tweezers to touch both the pin and the ground simultaneously while plugging the USB cable into your PC.
Verify Connection: Your PC should make a connection sound. Check Device Manager; it should recognize the device as Huawei Mobile Connect - 3G PC UI Interface or USB_COM. Load the usbloader.bin: Open the Balong USB Downloader. Click Detect to find the correct COM port.
Click the three dots (...) to select your usbloader.bin file.
Click Load. If successful, the progress bar will finish, and your device's LEDs may start blinking, indicating it is in download mode.
Finish Recovery: Once the loader is active, you can proceed to flash the desired firmware using standard Huawei flashing tools.
Note: Newer firmware versions may block older usbloader.bin files. If the loader fails immediately, ensure you have the specific file version compatible with your current firmware build.
Here’s a concise, engaging story-style explanation of the E5573s-320 USB Loader.bin process — how it works, what it does, and why it matters for unlocking or debranding that particular 4G mobile WiFi router. e5573s320 usbloaderbin work
Title: The Silent Flash – Reviving the E5573s-320 via USB Loader.bin
In a small repair shop cluttered with routers and tangled cables, a technician named Mira held a Huawei E5573s-320. It was locked to a carrier — a digital cage.
“No web unlock option,” she muttered. “Firmware update loop.”
She’d tried every software trick: DC-Unlocker, Balong USB sniffers, even terminal commands. Nothing broke the lock.
Then she remembered the secret path — USB Loader mode.
Unlike normal boot, USB Loader mode bypasses the main firmware. It’s a low-level recovery state where the router expects a special binary: Loader.bin.
This isn’t a full firmware. It’s a tiny, 500 KB handshake — a digital skeleton key.
Here’s what Mira did:
Within minutes, the E5573s-320 rebooted — unlocked, debranded, breathing free.
Why Loader.bin works:
Huawei’s older Balong V7/V9 chips have a hidden USB loader protocol. The official firmware update process uses a signed Loader.bin. But modified loader binaries exist that skip signature checks, giving full flash read/write access — a backdoor for those who know the key.
The catch:
Wrong Loader.bin = hard brick. No recovery without JTAG.
Moral of the story:
The E5573s-320 isn’t just a locked box — it’s a vault with a secret loader door. But you need the right binary and steady hands to open it.
If you need the actual Loader.bin file or a safe flashing guide for your specific firmware version, let me know.
To get the usbloader.bin working for your Huawei E5573s-320 , you generally need to trigger the device's Download Mode
(often via a "boot shot" or hardware test point) and use a specialized flashing tool like Balong USB Downloader
. This process is typically used to recover bricked devices or unlock them for other networks. Quick Start Guide for usbloader.bin Preparation Download the correct usbloader.bin specifically for the Install the Huawei Mobile Partner
or standalone Huawei COM port drivers so your PC can recognize the modem in its boot state. Download a flashing utility such as Balong USB Downloader (or "Balong Tool"). Trigger Boot Mode (Hardware Method) the device to access the circuit board. Locate the The e5573s-320 is a Huawei mobile Wi‑Fi (MiFi)
(test point) and ground it to a metal shield on the board using a wire or tweezers while connecting the USB cable to your PC.
If successful, your PC should detect a new COM port, often labeled as HUAWEI Mobile Connect - DownLoad Port Loading the Binary
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
Execute the "Load" or "Send" command. The device’s LEDs might change color or flash, indicating it is now ready to accept new firmware or a WebUI update. Important Troubleshooting Unsupported Versions : Some newer firmware versions may block older usbloader.bin files, resulting in errors during the loading process. NVRAM Risks
: Standard loaders can sometimes erase unique device data (NVRAM). Using patched utilities like the balong-usbdload on GitHub can help prevent total data loss during emergency recovery.
: If you encounter "Error 19" during a firmware update, it often means the device is not in the correct "Project Mode." Re-running the usbloader.bin via the boot shot method is the standard fix.
Unlocking Huawei E5573: Error 19 Fix | PDF | Booting - Scribd
With the usbloader.bin working, you can now:
The phrase "e5573s320 usbloaderbin work" represents a challenging but rewarding journey into low-level Huawei device recovery. With the right file, proper drivers, and careful execution, you can unbrick, unlock, and regain full control of your E5573s-320.
Recap of critical success factors:
If you’re not comfortable with command lines or hardware probing, consider using a paid unlocking service. But for the adventurous tech enthusiast, getting the usbloader.bin to work on the Huawei E5573s-320 is a gratifying achievement.
Remember: the community of developers who create these loaders operate in a legal gray area. Respect their work, don’t use it for illegal purposes (e.g., bypassing rental locks), and always back up your original firmware before making changes.
Now go ahead – connect that E5573s-320, fire up the loader, and make your pocket router truly yours.
To prepare a "solid piece" for the Huawei E5573s-320 using a usbloader.bin
, you are likely performing an emergency recovery or unlocking procedure. This involves putting the device into Download Mode
(BOOT_3G) and loading the binary to allow for firmware flashing. Core Preparation Steps Enter Download Mode
Dismantle the device and keep the battery inside, but leave it powered OFF. Locate the Once you see that green "Download OK" message,
and ground it (short it to the board using a metal wire or needle) while connecting the USB cable to your PC.
If successful, your PC should detect a new COM port, typically labeled as "HUAWEI Mobile Connect - DownLoad Port" in Device Manager. Use a "Safe" Loader It is highly recommended to use a usblsafe.bin rather than the original usbloader.bin
Original loaders from Huawei may erase the NAND flash entirely, which can wipe your unique device data like , Serial Number, and radio calibration.
"Safe" loaders are patched to disable this erasure procedure, keeping your factory data intact while allowing the flash. Execute the Load Open a tool like the Balong USB Downloader (balong-usbdload). Select the correct
file for the E5573s-320 (often compatible with E5573s-606 files).
Click "Load" to send the binary to the device. Once the loader is active, you can proceed to flash the actual firmware using a tool like balongflash Related Resources & Tools
The following resources provide deeper technical details on the Balong utility and firmware modification.
Technical documentation and specialized tools for Huawei Balong chipsets. Utility Documentation Firmware Modification Device Unlocking Balong USB Loader Utilities The official GitHub repository for balong-usbdload
provides the core emergency boot loader utility and explains the difference between standard and safe loaders. For Linux users, the Arch User Repository (AUR)
hosts the balong-usbdload-git package, including necessary dependencies like glibc and optional flashing tools. Firmware Integrity & Patching Verify your binary signatures using the balong-signcheck tool
, which helps identify the specific chipset version (e.g., V7R11) and root CA hashes. Community discussions on
offer insights into packing and unpacking partition images like system.bin to avoid signature errors. Step-by-Step Unlocking Guides
A detailed walkthrough for fixing Error 19 and unlocking the E5573 is available on , covering the physical boot-shot method.
Visual learners can find a complete guide to dismantling and upgrading the E5573s-320 firmware on this YouTube guide
The E5573s-320 utilizes a Hisilicon chipset (Balong). The process generally involves three main stages:
Look on:
Avoid random file-sharing sites. Always check file hashes against known good ones.
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: