FAQs

Frequently Asked Questions

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:

AT^DATALOCK=”00000000”

2 – Press enter from keyboard. Response will be OK

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

AT^CIMEI=” ”

OR

AT^NVWREX=0,0,16,

OR

AT^NVWR=0,16,

4 – Press enter from keyboard. Response will be OK

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

AT^RESET

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:

AT^AUTHORITYID?

OR

ATI

8 – Press enter from keyboard.

Repair Huawei serial number

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

AT^DATALOCK=”00000000”

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:

AT^NVWR=6,20,

OR

AT^NVWR=6,16,

4 – Press enter from keyboard. Response will be OK

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

AT^RESET

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