Take a metal wire or needle and connect the boot pin to ground (any metal shielding on the board). 2. Enter Download Mode
Then she remembered the secret path — .
The usbloader wiped the NVRAM data due to missing security patches. e5573s320 usbloaderbin work
: 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.
Once the loader is successfully sent, the device enters a state where it can accept new firmware. Take a metal wire or needle and connect
If done correctly, your computer will not play the standard USB storage sound. Instead, check your Windows under Ports (COM & LPT) . You should see a device named "Huawei Mobile Connect - 3G PC UI Interface" or "USB_COM" assigned to a specific port, such as COM5 . Step 2: Injecting the usbloader.bin Payload
: Ensure you download a compiled usbloader.bin compatible with Balong V7R11 chipsets (specifically optimized for the E5573s series). The usbloader wiped the NVRAM data due to
Click "Load." The progress bar should move steadily as the file is sent to the modem. :
Click the button and select your e5573s_320_usbloader.bin .
The usbloader.bin acts as a temporary primary bootloader that runs in the device's RAM. It is required when the standard firmware update mode is restricted or the device is soft-bricked.