Unlock Huawei V4 Algo & Huawei V5 Devices

Unlock Huawei v4 algo based devices, Huawei calculator new v4 allows to unlock auth v4 algo Huawei modems and routers. All our Huawei unlock codes are calculated with an IMEI number except for Huawei V4 & V5 devices. Huawei new algo v4 unlock code is calculated with a hash code or hash file because there is not yet a solution to generate the Huawei v4 algo unlock code from the IMEI number.

Huawei V4 Algo Unlock Code

Every year, Huawei offers a range of new products but the chinese supplier of telecom solutions and corporate network continues to strengthen the security of these devices to prevent unlocking like the latest modems and routers. HUAWEI Unlock Codes-HUAWEI Official Site-HUAWEI Calculator can generate the Huawei V4 Algo codes and users with Huawei V4 devices also called Huawei V4 models who are interested by this method can order their network Huawei unlock code.

How to unlock Huawei V4 Algo

We do not have an unlock solution for all models but know that there are two possibilities to unlock Huawei v4 devices. The first solution is the Hash Code Method which consists in reading the data hash (Hash 1 & Hash 2) using a software like DC-Unlocker. It is important to know that for some models, you need to change the Huawei firmware.

However if you have an error code 19 during the update you have to use the Boot Shot Method. This second solution.consists to use either USBLoader.bin or USBSafeloader.bin and in both cases, a dismantling of the device is necessary for this procedure. Do not worry, all this information is detailed in the tutorial.

Repair IMEI Huawei
The boot shot method using USBLoader.bin can unlock all Huawei new algorithm v4 devices, however this solution erases some information from your device ie IMEI and S/N. This article is for general information and includes only the commands used to repair or restore the lost data, please contact us for details.

How to repair or restore IMEI & S/N of Huawei v4 algo

There are several tools to repair or change Huawei IMEI modem number, we will use the demo version of DC-Unlocker in this tutorial. Make sure the COM port on your device is visible in the device manager.

Repair IMEI Huawei

1 – Run DC-Unlocker then copy and paste following AT command:


2 – Press enter from keyboard. Response will be OK

3 – To restore original IMEI on your device, copy and paste the following AT-commands:






4 – Press enter from keyboard. Response will be OK

5 – To restart your device will now copy and paste this AT command:


6 – Press enter from keyboard.

7 – Your device original IMEI has been successfully restored. You can check IMEI of your device by issuing following at-commands:




8 – Press enter from keyboard.

Repair Huawei serial number

1 – Run DC-Unlocker then copy and paste following AT command:


2 – Press enter from keyboard. Response will be OK

3 – To restore original serial number on your device, copy and paste the following AT-commands:




4 – Press enter from keyboard. Response will be OK

5 – To restart your device will now copy and paste this AT command:


6 – Press enter from keyboard.

The boot shot method is the ultimate solution to unlock Huawei new algorithm v4 devices that display an error code 19 during the firmware update. You will need Huawei motherboard diagram schematic (boot pin), download USBloader.bin or download USBsafeloader.bin but also to download Balong USB downloader.

boot shot method

According to the solution available for your model, it is important respect the recommendations in the tutorials. For more information on how to unlock your model, READ MORE
boot shot method

Bypass datalock code or OEM code for auth v4 algo Huawei modems and routers is easy, fast and simple. It is important to know that the unlock code and the datalock code for Huawei new algorithm v4 devices can not be calculated / generated from the IMEI number. Huawei new algo v4 devices have a high level of security and do not allow to do a firmware downgrade.

Bypass datalock code

If your device asks a datalock code instead of a fash code or firmware password code during the firmware update procedure. Here’s how to bypass datalock code screen, you will need to download DC-Unlocker software. Make sure that the COM port of the device is visible in the device manager and if not, download and install Mobile Partner to resolve the driver problem.

Bypass datalock code

Run DC-unlocker then wait for the detection of the device

Type the following code: AT^GODLOAD

Press the ENTER key on the keyboard, if the indicator lights blink it means that the device in download mode now you can update the firmware.

how to bypass datalock code

The datalock code can be calculated with this command AT^NVRDEX=50502,0,128

Firmware updates improve the performance of your devices and fix bugs. This article describes how to update Huawei firmware for wireless devices, you will need a flash code for the firmware upgrade that you can generate from Huawei Flash Code Calculator. We have a huge firmware, download the latest versions of Huawei software and firmware from Huaweifirmware.net or Huaweiflashfiles.com


1) Connect your Huawei modem to PC / Laptop

2) Double click the update package, select the I Agree and click on Next

3) Begin searching device…”

4) Click Next

5) Updating. Pay attentiong to the following during the upgrade:

6) Start the upgrade by click “Start >”.

7) Wait until the installation procedure is complete

8) When upgrade finished, finished the upgrade click OK > “Finish”



1) Connect PC and Huawei mobile wifi hotspot by USB cable; make sure the COM port is as same as the following image

2) Start the upgrade by click “Start >”.

3) Begin searching device…”

4) Updating. Pay attentiong to the following during the upgrade:

    Make sure that the PC is running on full power.
    Do not remove the data card
    Do not run other prgrams.
    Do not shut down, sleep, hibernate, log off, switch user or restart the PC.

5) When upgrade finished, finished the upgrade click “Finish >”

NOTES: Forcible execution to upgrade

    Make sure that TE is not running and not in charging.
    Hold down both the POWER button and RESET button for 2s and hold down the RESET button in 500ms when you see “FORCE UPDATE” on LCD to entry Forcible download model.
    Start from step 1 as explained in the normal procedure



Backing Up Important Configuration Data of Operating System and Database

1) Login Page

Access the web page for customer premises equipment (CPE) configuration

2) Login Local Upgrade page

Enter the user name and password, click Login in, and choose Home > Upgrade on the page that is displayed.

4) Wait until the upgrade succeeds.

5) After the restart, refresh the page and log in to the system.



This section introduces the upgrade methods with the multicast sending packet tool. There are two schemes: single or lots of CPE upgrade. Except the connecting network method, They are the same during the upgrade. Several CPE upgrade scheme is usually used in production.

1) Setting the IP Address of PC

Please set the network card’s IP address manually which is connected with HUB could be used as ‘192.168.8.*’; * is an arbitrary number which is between 2 and 254; so it is in the same network with B315’s gateway

2) Opening the Multicast Upgrade Software

3) Choosing the PC’s Network Card connecting the B315

Click the button ‘Refresh’ to refurbish the network card; then choose the card with the IP address

4) Configuring the Multicast Upgrade Software

Click the button ‘Open’ to get the dialog box of choosing upgrade files. Then select the right one and click the button ‘Open’ in the dialog box to return to the main face of the multicast software. We should make sure the upgrade file is correct and what you want to update!

flash Huawei firmware

5) Verifying the Product Version of Upgrade File

The product version is showed below the file content box. The version is the external release code. If it is showing error such as ‘Error file version…’ or ‘Analyse time-out…’, the upgrade file isn’t correct. Please choose it again. It’s showed as below

Huawei firmware upgrade

6) Verifying the force upgrade is done or not

If the CPE is in equipment mode and the LT station isn’t carry on, we also can use multicast upgrade, but don’t forget to choose the ’Force Upgrade’

Huawei firmware

Attention:If the CPE’s IMEI codes are all 0 and it is in equipment mode, please choose ’Force Upgrade’; otherwise we can’t use multicast upgrade( it means the LT station hasn’t been done in the production line).

7) Starting to Send Multicast Packages

Click the button ‘Start’ to begin to send the multicast packages.

Huawei firmware update

8) Turning on Power to Upgrade B315

The LED Showing during the Upgrade

update Huawei firmware

9) Neatening Steps after Upgrading successfully

    Remove the CPE which have been updated successfully;
    If all the CPE have been updated successfully, click the button ‘Stop’ to stop sending the multicast packets and close the multicast sending packet tool;
    Turn off HUB;
    Turn off PC.

firmware updates


Here is a list of models that have an Auth V4 Algorithm

Huawei E3372h-210, E3372h-607, Huawei E5577s-603, E3372h, Huawei E5787Ph-67a, E5573Bs, Huawei E5885, E8372h-153, Huawei E5783h-92a, E8372h-608, Huawei E3372h-153, E8372h, Huawei E5788u, E5783h, Huawei E8372h-609, Huawei E5783, E8377, Huawei E5885Ls-93a, E5573s-606, Huawei E5787Ph-92a, E5573s, Huawei E5788u-96a, MTS 827F, Huawei E8372h-510, E5573, Huawei E8372h-155, MTS 829F, E5573s-156, Huawei B310s-925, E5885Ls, Huawei E5788, Huawei E8372h-511, E5573s-320, Huawei E5573Cs-509, E5573s-606, Huawei E8372h-607, E5573Cs-933, Huawei E8372h-927, МТС 8211F, Huawei E3372h-603, E5771s, Huawei E5771, E5573s-508, Huawei E5573s-607, E5577, Huawei E5771h-937, МТС 827F, Huawei E5573s-852, MTS 8211F, Huawei E5573s-853, МТС 8210F, Huawei R216, E5573Cs-609, Huawei E5787Ph-67a, Huawei E5577Ds-156, Huawei E5573Cs-323, E5573s-806, Huawei E5573Cs-931, E8377s-153, Huawei E5575s-210, E5573s-609, Huawei E5575S-302, MTS 8210FT, Huawei E5575S-320, E5577Bs, MTS 829F, Huawei E5578s-932, E5577Bs-937, Huawei E3372h, E5577Bs-932, Huawei E5770s-923, МТС 8210FT, Huawei E5770s-320, E5578s, E5573Cs-322, Huawei E5577Cs-603, E5573s-856, Huawei E5787s-33a, B315s-936, Huawei E5578, E5573Cs, Huawei E5330Cs-82, E3370h, Huawei E8378Ws–210, E5577s-932, Huawei E5771s-852, Huawei E5575, E3372h-510, Huawei E5785, E5785Lh, Huawei E5785Lh-23c, E5577s, Huawei E5785Lh-67a, Huawei E8378, Huawei E5787Ph-92a, E5785Lh-22c, Huawei E5787, E5575s, Huawei E5771, E5573Bs-320, Huawei E5787Ph, Huawei B315s-608, B315s, Huawei B315s-607, B310s, Huawei B310As-852, E8378Ws, Huawei B310s-518, E5770s, Huawei E5770, Huawei E5785Lh-92a, B310, Huawei E8378Ws-210, Huawei B520S-93A, Huawei B520S-93A, Huawei B525s-23a, E3370, Huawei B525s-65a, Huawei B525s-95a, E5577s-321, Huawei B528s-23a, B315, B310s-927, Huawei B529s-23a, E5573Cs, Huawei B610s-76a, Huawei B610s-77a, Huawei B612s-25d, B310s-925, Huawei B612s-51d, B310s-22, Huawei B618s-22, E5577Cs-321, Huawei B618s-22d

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unlock huawei v4 algo