Have you lost your IMEI of Huawei devices in changing the firmware or in the unlocking process. This post will help you in repairing of IMEI / or also you can change the IMEI if you have data lock code.

IMEI is a unique identification of any phones / modems / routers. Without IMEI you can not connect to the internet (especially in India, may in another country too). IMEI remains in a standard format of 15 digits. If a device lost the IMEI, it will show 000000000000000. Means, if IMEI is missing from your device, it remains in “half-dead” state. Meaning it can be repaired and re-used without any problem.

In this post, we will share the details about how to change / repair IMEI of Huawei V4 devices, for instance, E5573, E5577, E3372h etc.

How to change / repair IMEI of Huawei V4 devices (E5573, E3372h etc)?

  1. Detect the device under DC unlocker software.

2. Go at the end of the result and paste the following :

AT^DATALOCK=”datalock code”

Note: Change the data-lock code with 8-digit data-lock according to your IMEI.

3. Press enter from the keyboard.

4. Response from the DC unlocker should be OK.

Note: Now you have entered in security part of the Huawei device. Now, you can run any supported commands here.

5. To change the IMEI, run the following command:


Note: Replace the 15 DIGIT IMEI NUMBER with your actual IMEI, which is printed on your device.

Now again responses will OK and your IMEI has been successfully changed.

A big thanks to Hassan Raza for sharing this tips!


  1. Thanks to hassan raza but many thanks to you also sir kumar.. Lil bit defference you and sir hassan, for datalock tutorial.

  2. we are try to change the imei but when we send the AT COMMAND getting the error.
    Found modem : E5577s-321
    Model : Huawei E5577 (untested)
    IMEI :
    Serial NR. : F5D7N15718003467
    Firmware :
    Compile date / time : Mar 19 2015 16:32:58
    Hardware ver. : CL1E5573SM02
    Dashboard version : WEBUI_17.
    SIM Lock status : unlocked
    Wrong codes entered : 0 (unlock attempts left : 10)



    +CME ERROR: 50