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.
The usbloader.bin file for the Huawei E5573s-320 is a specialized firmware component used to bypass software restrictions, such as network locks, or to recover a "bricked" device. It works by allowing the modem to enter a low-level download mode, typically after a physical "boot shot" (short-circuiting a specific pin to the ground), which enables the flashing of custom or downgraded firmware without standard security checks. How usbloader.bin Works
The core function of usbloader.bin is to serve as a bridge between the device's hardware and flashing software like the Balong USB Downloader.
Initialization: When the modem is in boot mode (detected as BOOT_3G), the loader file initializes the device's RAM to accept larger firmware files.
Permission Bypass: It is often used to resolve Error 19, a common issue where the standard update software rejects a firmware file because it doesn't match the current provider's signature.
Debranding and Unlocking: By loading this file, users can install "universal" or "openline" firmware that allows the modem to accept SIM cards from any carrier. Usage Process
Using usbloader.bin is a technical process that involves disassembling the modem.
Preparation: The modem is stripped to the motherboard to access the boot pin.
The Boot Shot: A metal tool, such as a tweezer or pin, is used to short the boot pin to the USB port's metal shield while connecting the USB cable to a PC.
Detection: If successful, the computer will detect the device under a COM port (e.g., Huawei Mobile Connect - 3G PC UI Interface).
Flashing the Loader: The Balong USB Downloader is used to select and "load" the usbloader.bin file.
Firmware Update: Immediately after the loader is flashed, the user can run the official firmware update software to install the desired OS version. Risks and Critical Notes
IMEI Loss: Flashing this file can sometimes damage the modem’s IMEI or dashboard information, requiring manual repair using AT commands like AT^CIMEI="[Your_IMEI]".
Compatibility: It is vital to use a loader file specifically designed for the E5573s series; using an incorrect version can lead to a hardware fault where the modem is stuck in emergency mode with no lights functioning. e5573s320 usbloaderbin work
Recovery Alternatives: For minor software issues, users should first attempt a factory reset using the physical reset button under the battery cover before resorting to low-level flashing.
Are you trying to unlock a modem for a specific carrier, or are you attempting to recover a device that won't turn on? Cannot Flash Huawei E5573s-856 modem - Hovatek
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
(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
The file usbloader.bin for the Huawei E5573s-320 is a critical utility used primarily for "unbricking" or flashing custom firmware on this specific mobile Wi-Fi router. Does it work?
Yes, it works, but its effectiveness depends entirely on using the correct version for your specific hardware revision. In the community of modem enthusiasts and developers, the usbloader.bin for the E5573s-320 is generally reviewed as reliable for the following tasks:
Forcing Download Mode: It allows the device to be recognized by a PC when it is stuck in a boot loop or "bricked" state.
Firmware Downgrading: It is often the first step in bypassing security restrictions to install "modded" firmware that allows for frequency locking or IMEI changes.
Unlocking: It is a standard tool used in the process of removing network provider locks. Technical Performance Review
Compatibility: This specific loader is tailored for the "s-320" variant. Using a loader meant for the "s-856" or "s-606" on an "s-320" will result in a failure to initialize the USB port.
Stability: Once the loader is successfully "pushed" to the device (usually via a tool like Balong USB Downloader), the modem enters a stable state where it can accept firmware files via fastboot or specialized flashing tools.
Ease of Use: It is not a plug-and-play file. It requires technical knowledge of:
The "boot shot" or "test point" method (physically shorting two pins on the motherboard to trigger recovery mode). Specific drivers (Huawei Mobile Connect drivers). Command-line or specialized GUI flashing tools. User Consensus
Users on technical forums like 4PDA and GSM-Forum report that while the file itself is functional, the primary "fail point" is often poor-quality USB cables or incorrect driver installation rather than the .bin file itself. Risks to Consider
Hardware Damage: If you use the "test point" method incorrectly, you can permanently short the board. To get your Huawei E5573s-320 back up and
Permanent Brick: Flashing the wrong firmware after using the loader can lead to a "permanent brick" if the bootloader is locked or incompatible.
usbloader.bin file for the Huawei E5573s-320 is a critical process for unbricking, debranding, or unlocking the device. This file forces the modem into a state where it can accept new firmware, even if the current system is corrupted. Prerequisites Before starting, ensure you have the following tools: Balong USB Downloader : The primary software used to load the Huawei Drivers : Specifically the Huawei Mobile Connect - Interface
drivers, which allow your PC to recognize the modem in "Download Mode". Bootshot Tool : Tweezers or a thin wire to short the boot pins. E5573s-320 USB Loader : The specific usbloader.bin compatible with the s-320 variant. Step-by-Step Procedure Enter Download Mode (Bootshot) Disassemble the modem and remove the battery. Locate the (typically a small copper point on the PCB) and the
Use tweezers to bridge (short) these two points while simultaneously plugging the device into your PC via USB. Your computer should detect a new device, often labeled as HUAWEI Mobile Connect - DownLoad Port (usually COM port 3G). Run Balong USB Downloader Balong USB Downloader software on your PC. to ensure the COM port is recognized. field, browse and select your usbloader.bin
. The modem's LED indicators may flash or stay steady once the loader is successfully injected. Flash Firmware Once the loader is active, the modem is ready for flashing.
Open your firmware update tool (e.g., Huawei Flasher or a standard firmware EXE). Follow the prompts to install the new firmware and Web UI. Troubleshooting Tips
: This often occurs if the drivers are not properly installed or the wrong loader file is used. Restart your PC and re-verify the device variant. No Port Detected
: Ensure you are holding the bootshot bridge firmly until you hear the Windows "device connected" sound. Device Version
: Some newer firmware versions may block older loaders; ensure your usbloader.bin is the latest version for the s-320. or a specific firmware version for the s-320?
This is a niche, technical topic centered on unbricking or unlocking the Huawei E5573s-320 mobile hotspot. To get the usbloader.bin working, a user typically needs to bypass standard firmware restrictions using a "boot pin" (test point) method.
The following blog post is designed for a tech-savvy DIY audience, focusing on troubleshooting the common "Error 19" and providing a clear sequence for using the loader file.
How to Fix Huawei E5573s-320: Unlocking & Error 19 Fix Guide
If you’ve tried to flash your Huawei E5573s-320 only to be met with the dreaded Error 19, you aren't alone. This happens because newer firmware versions are locked down by manufacturers to prevent unauthorized modifications.
To get your usbloader.bin to actually "work," you have to trick the device into a low-level download mode. 1. Preparation: The Gear You Need
Before starting, gather these essentials to avoid bricking your device permanently:
Huawei Mobile Drivers: Ensure your PC recognizes the device ports.
Balong USB Downloader: The primary tool used to push the loader file.
The Correct Loader: For this specific model, you need the usbloader.bin specifically compatible with the E5573s series.
Tweezers or a Paperclip: You’ll need these for the "boot shot" (short-circuiting the test point). 2. The "Boot Shot" Method (The Secret Sauce)
The reason your USB loader often fails is that the device is in the wrong mode. To force it into the correct state:
Dismantle the device: Carefully remove the back cover and battery.
Locate the Boot Pin: There is a specific contact point on the motherboard (often near the antenna ports) that must be grounded.
Short the Pin: Use your tweezers to touch the boot pin and the metal shield (ground) simultaneously.
Connect to PC: While holding the short, plug in the USB cable. Your PC should make a "connected" sound, and you can release the short. 3. Loading the bin File Part 1: Understanding the Huawei E5573s-320 Before diving
Once your device shows up in Device Manager as "Huawei Mobile Connect - DownLoad Port" (or similar), it's ready: Open the Balong USB Downloader tool. Select the detected COM port.
Click the "Load" button and select your e5573s_320_usbloader.bin.
If successful, the lights on your device might blink or change, signaling that the device has accepted the temporary bootloader and is ready for a firmware flash. 4. Troubleshooting Common Issues
Error 19 still appearing? This usually means the boot shot didn't "stick." Try the process again, ensuring the battery is removed or inserted according to your specific sub-model's requirements.
Device not detected? Check your drivers or try a different USB port. "Error 10: Find port failed" is a common driver-related headache. Final Word
Using a usbloader.bin is a powerful way to regain control of your E5573s-320, whether you're trying to use a different SIM card or repair a corrupted IMEI. Just remember: hardware modification carries risks. Always double-check your file versions before hitting "Start."
The usbloader.bin file for the Huawei E5573s-320
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
Emergency Recovery: It allows the modem to enter a "Force Download" or "Boot Mode" when it is otherwise unresponsive.
Fixing Error 19: A common fix for "Error 19" (failed firmware flashing) which occurs when the device has a newer, locked firmware that prevents downgrading.
Unlocking: Essential for the "boot shot" method to unlock devices from specific carriers (like Smart Philippines) to accept any SIM card.
IMEI Repair: Facilitates access to low-level AT commands required to rewrite or fix a damaged IMEI. Operational Requirements
To use usbloader.bin successfully, the following environment is typically required:
Hardware Preparation: Often requires dismantling the device to "short" specific boot pins (the "boot shot" method) while connecting via USB.
Software Tools: Used in conjunction with tools like Balong USB Downloader and appropriate Huawei Modem Drivers.
Detection: Once the loader is correctly injected, the PC should detect the device as a specific COM port (e.g., BOOT_3G), allowing for new firmware installation. Standard Device Features (Post-Repair) Once the modem is operational, the E5573s-320 provides:
LTE Cat 4 speeds: Supports up to 150 Mbps download and 50 Mbps upload.
Multi-user Support: Connects up to 10 wireless users and 1 USB user simultaneously.
Portable Connectivity: Features a 1500mAh battery providing approximately 4–6 hours of active use.
Caution: Using usbloader.bin involves low-level hardware and software modification. Mistakes in this process can permanently disable (brick) the device.
Before diving into the flashing process, let’s understand the hardware.
Meta Description: Struggling with the usbloader.bin file for your Huawei E5573s-320? This guide explains what the loader is, common flashing errors, step-by-step fixes, and how to get your portable 4G router working again.
The term usbloader.bin is not an official Huawei filename, but it is widely used in the reverse-engineering and unlocking communities. It refers to a binary blob that is sent to the device’s RAM via USB using tools like fastboot or custom loaders (e.g., balong-usbload or Huawei Multi-Downloader).
To use the USB Loader, the modem must be detected by the PC.
⚠️ Don’t just grab the first usbloader.bin you find. Get the one specific to E5573s-320, often labeled
usbloader_e5573s-320_v2.bin.
Huawei_USB_Download_Tool_v1.1.exe as Administrator.usbloader.bin file via the "Load" button.115200 (not 921600). The E5573s-320 balong chip has a narrow window at this rate.The E5573s-320 utilizes a Hisilicon chipset (Balong). The process generally involves three main stages: