. Using a loader meant for a different E5573 sub-model (like the s-606 or ) can lead to a permanent brick. Key Considerations Reliability
You will see output like:
Now that the usbloader.bin has worked, you can flash a full firmware: e5573s320 usbloaderbin work
Release the short after 2 to 3 seconds. Check your Windows . Under the "Ports (COM & LPT)" section, you should see a single active port named Huawei Mobile Connect - DownLoad Port . 3. Executing the USB Loader File
Run the (.exe) provided for your model. The universal loader you just flashed should now prevent Error 19 . Check your Windows
| Error | Fix | |-------|-----| | Failed to open port | Another app (HiSuite, Mobile Partner) is using the COM port. Kill them in Task Manager. | | Timeout waiting for ACK | The router didn't enter download mode. Repeat step 2 (battery out/in timing). | | Checksum mismatch | Your usbloader.bin is corrupted or wrong chipset. Redownload from a known source. | | Device reboots immediately after loading | You need a different usbloader version (try v1 vs v2). |
The Silent Flash – Reviving the E5573s-320 via USB Loader.bin Executing the USB Loader File Run the (
file successfully puts the device into a "Download Mode," allowing for custom firmware installation. Ease of Use
: It commands the device to open specific diagnostic and application COM ports on your PC.