Boot Short Method Using USBLOADER.BIN – Unlock Code 100% Working with Any Huawei Modem/Router of Algo V4

Emergency Firmware Recovery Method (Using Normal USBLoader.bin File)

In this method when you boot short the device and flash USBloader.bin file on your device, it will accept downgrade/factory firmware but sometimes it creates an error like inappropriate firmware, so you need to select some alternate firmware. In result of this boot flash, your device NV data will be erased and after getting your device in download mode when you will execute NV hash commands to get unlock code/datalock code for your device all commands will result in 000000000000. It’s becasue of the fact that all the device information has been erased from sensitive NVRAM records and you no more able to get the hash codes from your device but your device is factory unlocked. But you have to perform a few simple steps to make it functional with original information printed on your device because it will ensure Insurance of your device’s legal obligations.

Good News: This method is the only hope/ option and will work on almost all algo V4 devices, regardless of the fact, your device having signed firmware or latest permanently locked firmware version above 21.300.xx.xx. This method could be used to repair bricked/ dead devices as well as to unlock the permanently locked devices that could not be unlocked with any other unlocking practice.

How to shot the board of Huawei E5573s router?

Download the required Software Tools and put in a single folder, like Latest Huawei Drivers/ Mobile Partner, DC-Unlocker, Putty Universal, Balong USB Downloader, BOS Registry Solution, Motherboard Schematic Diagram (boot point marked), USBSafeloader.bin or USBloader.bin file, WebUIDowngrade Firmware, Upgrade Firmware for your device model, etc.

Proceed with Boot Short Method and Unlocking

You have to flash dashboard/ WebUI, need to restore IMEI of your device, need to correct serial number of the device and also need to write WIFI Hotspot connection information of your device. Then you can easily flash upgrade/normal firmware of your choice to restore your device in normal working condition.

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Important: Bin file and Boot Point Schematic Diagram for every model is separate, look into Download Section of our website and download respective file of your model.

1. Run DC-Unlocker and click on Magnifying Glass (1). It will detect your device with Application & Diagnostic Ports of your modem and will show complete detail of your device. Copy this complete information (2) in Notepad file or somewhere else safe place becasue we will need to restore it back.

huawei-e5573s-complete-information-in-dc-unlocker2. Unscrew the device and Dismantle it to take its motherboard on face. Battery should be inside the device, but don’t switch it ON.

huawei-e5573-boot-short-pint3. Now, touch the boot point (1) with charging point ground (2) on the motherboard as marked Black points in above image with the help of any metal tweezer or short wire as shown in below image.

boot-short-wire-and-usb-cable4. Keep touching the short points, now plug in your device through USB cable into PC’s USB port (some devices support short boot point with ground after device plugin).

Hint: In case of Dongle or Wingle, to plugin your device in PC, it is recommended to use USB link cable of good quality, as shown in image above.

5. After device plugin, it will produce a tanan sound, now just remove the metal / short wire from the board.

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6. Check for drivers in Computer Management, if Huawei port is getting Yellow mark, means drivers are not installed properly then install drivers or install Huawei mobile partner it will automatically install drivers, if not then after installation of drives you need to restart the PC.

Huawei Hilink modem switch to COM Ports Mode

7. Once drivers successfully updated, the COM port will be visible in device manager as 3G PCUI Interface [BOOT_3G] and the device will start blinking.

huawei-pc-ui-boot_3g-com-ports-installtion

8. Now run Balong USB Downloader and click on Detect (1) device, it will automatically detect the COM port as BOOT_3G. Now click on File Loader Option (2) and select downloaded usbloader.bin file (not usbsafe-xxxx.bin) from the folder and click on Load (3).

huawei-balong-usb-downloader-1-0-1-10-with-gui

Note: If the balong tool hangs up, then wait, don’t force close it.

9. Once progress bar is full then close the balong tool, your PC will again beep and your PC will start installing drivers and in device manager one more COM port will be activated.

Huawei Hilink modem switch to COM Ports Mode

If everything goes fine then your device is loaded with universal boot file successfully and all the restrictions have been removed and there will be no more Error code 19 while changing firmware.

Note: If you are getting “Error Code 10: Find port failed” while installing firmware then install BOS Solution by double click on registry file and restart your computer.

10. Now, install downgrade firmware (21.110.xx.xxx.xxx or above version which is available for your device).

This time you don’t need to have your modem’s NVRAM data which is required to get datalock code and unlock code because boot flash has washed out all NVRAM records. The response of both AT-Commands will be in 00000000000, not only this IMEI, Serial Number, WIFI SSID, WIFI Password and Dashboard Version of your device also go dis-balanced as you can see in the below given data:

Found modem : E5573s-320
Model : Huawei E5573 (untested)
IMEI : 000000000000000
Serial NR. : 0123456789ABCDEF
Firmware : 21.110.99.02.00
Compile date / time : Oct 29 2014 14:38:58
Hardware ver. : CL1E5573SM01
Dashboard version : 00.00.00.000.00
SIM Lock status : unlocked
Wrong codes entered : 0 (unlock attempts left : 10)

===================================================================

AT^NVRDEX=50502,0,128

^NVRDEX: 50502,0,128,00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OK

AT^NVRDEX=50503,0,128

^NVRDEX: 50503,0,128,00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OK

Its true, now your device is unlocked but is not fully functional because your device information will go wrong as marked in red circles in below image:

huawei-e5573s-imei-0000000000-and-serial-number-wrong

IMEI is missing from your device, it means, it is still in half-dead state but it can be repaired and re-used without any problem.

Any device with wrong serial number and null or 000000000000000 IMEI  is perfectly illegal to operate in any country. Your data connection could be terminated immediately on its detection by the service provider and the operator also reserve the right to initiate some legal action against you, if you use device as it is.

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What do I need to do now?

To make it fully functional, you have to restore its information as was originally printed & stored on your device before boot-short of motherboard and boot flash.

11. Now the question clicks on your mind, how to restore the lost data as highlighted at step 10. for that open notepad file that you saved at step 1. and copy/paste or fill in the boxes of Data Submission Form and press “Submit” button. Upon successful submission you will immediately receive a confirmation email.

12. Then after few minutes/hours you will receive an email from unlock4modems@gmail.com containing step-by-step guides and instructions to restore following lost information of your device:

  • How to Restore Dashboard/ WebUI?
  • How to Set SIMLOCK/ Unlock Code?
  • How to Set DATALOCK/ OEM Code?
  • How to Write/ Restore IMEI?
  • How to Correct/ Restore Serial Number?
  • How to Correct/ Restore WIFI SSID and Password?

13. Your device original IMEI has been successfully restored. Now install Upgrade/Universal Firmware (21.180.xx.xxx.xxx or above version which is available for your device).

huawei-e5573s-imei-restored-and-serial-number-repaired

Congratulations! Now it’s free and you can use it without any legal obligation!. It can accept any sim cards from any Mobile Carrier Worldwide.

Attention: You can send comments and Suggestions to improvement unlocking complication here, it will be appreciated.

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  • Zong Ptcl

    USBLOADER is not working on E8372h-153 after NEW update by the company

    any solution ?

    • Imdad Ullah

      we have solutions……if you need

      • Dear Imdad Ullah you can send us here Send us here http://unlock4modems.com/#contact your solution that you mention in your comment, we post it with your name so as other people can use it for their unlocking needs.

      • Ale

        i need too for e5575s thanks you

        • Noshi Merry

          E5575s is in beta test version, we do not recommend its as of its transition phase, because its unlocking may brick/permanently damage your device.

          • Ale

            yes it is ok, but i have tryed this method and when i do step (4. Keep touching the short points, now plug in your device through USB cable into PC’s USB port (some devices support short boot point with ground after device plugin).))
            it must be in (huawei 3g pc ui interface) but it doent go on this modalitate…
            why?
            there are other method?
            thanks you so much

    • Send us your device information here http://unlock4modems.com/#contact so as we can suggest you some appropriate solution.