You attempted to load a usbloader.bin file from a different model variation.
Due to copyright laws (Huawei owns the proprietary loader code), I cannot provide a direct download link in this article. However, reputable sources for e5573s320 usbloaderbin hot include:
: A method where you physically short-circuit two specific pins on the device's motherboard (the "boot pins") while plugging it into a PC. This forces the device into a state where it will accept the usbloader.bin even if the internal software is corrupted. Troubleshooting & Flashing Guide e5573s320 usbloaderbin hot
: You can now flash "transition" firmware to unlock the device or restore it to a working state. Important Troubleshooting
Once the loader file is successfully injected, Device Manager will refresh and show two active Huawei COM ports. You attempted to load a usbloader
The is the definitive, "hot-trending" tool required to force-flash, repair, and network-unlock the highly popular Huawei E5573s-320 4G Mobile Wi-Fi router . When a portable router becomes carrier-locked, soft-bricked, or stuck in a continuous boot loop, standard web dashboard upgrades fail.
You bought a cheap E5573s-320 locked to a specific carrier (e.g., EE, Smart, Telcel). Generic unlocking codes cost money. Using the USBLoaDerBin with a modified UPDATE.APP allows you to flash an unbranded "Unicom" firmware, removing the SIM lock completely. This forces the device into a state where
: You may also encounter references to usblsafe.bin , which is a "safe" or patched version of the loader. Its purpose is to load data without erasing the NAND flash memory, which helps protect critical factory data like your IMEI.
Launch the application as an Administrator.
: This typically means the device has a high-security firmware version. The only way to bypass this is via the test point and USB loader. No Light/No Detect
While maintaining this physical bridge, plug the USB cable into your computer.