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[Tutorial] How to Write IMEI and SN Number to a Huawei Modem or MiFi

#1
(This post was last modified: 07-08-2017, 09:44 PM by X3non. )

Invalid IMEI on a huawei modem is most likely as a result of tampering with the NVM, those who unlock their devices using bootshot method might notice that the device no longer has a valid IMEI or SN number.
The device might still work properly even with this invalid BUT it would be rather safe to have everything in perfect condition. This guide shows how to write back IMEI and SN number.

Requirements


How to Write IMEI and SN Number to a Huawei Modem or MiFi


  1. Disconnect the device and insert a working sim of your choice (you'll get an error message if you try writing IMEI without a SIM card inside the device)
  2. Power on the device and connect to the PC using a USB cord
  3. Now run DC-unlocker
  4. Select Huawei modems > Use auto detect > Click the search button
    [Image: How-to-Write-IMEI-and-SN-Number-to-a-Hua...MiFi-1.jpg]

  5. The device should be detected and all information displayed
    [Image: How-to-Write-IMEI-and-SN-Number-to-a-Hua...MiFi-2.jpg]

  6. Now type the code below and hit Enter
    Code:
    AT^CIMEI="*****"

    where ***** is the 15 digit original IMEI gotten from the carton of your device
    [Image: How-to-Write-IMEI-and-SN-Number-to-a-Hua...MiFi-3.jpg]

  7. You should get "OK" meaning the IMEI was written successfully
  8. To write SN number, Launch HxD editor > press "control + N" to open a new file
  9. Type the original serial number gotten from the carton of your device into the right hand side and the hex value should be displayed in the middle
    [Image: How-to-Write-IMEI-and-SN-Number-to-a-Hua...MiFi-4.jpg]

  10. Now type the code below into DC-unlocker and hit Enter
    Code:
    AT^NVWR=6,16,** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** 

    where ** ** ** ... is the hex value gotten from HxD editor

  11. You should get "OK" meaning the SN number was written successfully
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#2
Worked 100%. Thanks guys.
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#3
(This post was last modified: 10-03-2017, 01:04 PM by lacap. )
(08-21-2017, 01:38 PM)ckchurchyll Wrote: Worked 100%. Thanks gu
Big Kudos hovatek, But I didn't get "ok" message after writing the SN
What did I not get right?
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#4
(10-03-2017, 12:58 PM)lacap Wrote: Big Kudos hovatek, But I didn't get "ok" message after writing the SN
What did I not get right?

post a screenshot for the outcome here
also where you able to write imei successfully?
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#5
How to unlock d-links modem

Sent from my TECNO H6 using Hovatek Forum
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#6
(10-10-2017, 06:49 PM)Mtanzania Makanyanga Wrote: How to unlock d-links modem

Sent from my TECNO H6 using Hovatek Forum

Please, create a new thread for this
Need further assistance? Speak with a Hovatek Representative:
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#7
Hi @ all i followed the wonderful tutorial, but the dc is not detecting my device, kindly assist.

When i hit the search button i get an error message which says modem not found.

Please what should i do?

Thanks in advance for your kind support.
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#8
(01-14-2018, 04:51 PM)stone123 Wrote: Hi @ all i followed the wonderful tutorial, but the dc is not detecting my device, kindly assist.

When i hit the search button i get an error message which says modem not found.

Please what should i do?

Thanks in advance for your kind support.

When i switch on the wifi, the web ui will display check the network settings. Although it detects the new network, it does not connect to the internet.

My Huawei wifi version is e5573cs-609.
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#9
(This post was last modified: 01-15-2018, 04:50 PM by X3non. )
(01-14-2018, 04:51 PM)stone123 Wrote: Hi @ all i followed the wonderful tutorial, but the dc is not detecting my device, kindly assist.

When i hit the search button i get an error message which says modem not found.

Please what should i do?

Thanks in advance for your kind support.

have you been able to get DCunlocker to detect the device?
if no,
ensure to close the web management page in the web browser,
select E5573 (untested) in model dropdown bar,
leave the ports as Auto before clicking on search

as for connecting to internet, you will need to set the correct Access Point Name (APN) for the network you are currently trying to use. create a new thread if you have further questions on the internet connection issue
see https://forum.hovatek.com/thread-514.html for how to create a thread
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#10
(01-15-2018, 04:50 PM)X3non Wrote:
(01-14-2018, 04:51 PM)stone123 Wrote: Hi @ all i followed the wonderful tutorial, but the dc is not detecting my device, kindly assist.

When i hit the search button i get an error message which says modem not found.

Please what should i do?

Thanks in advance for your kind support.

have you been able to get DCunlocker to detect the device?
if no,
ensure to close the web management page in the web browser,
select E5573 (untested) in model dropdown bar,
leave the ports as Auto before clicking on search

as for connecting to internet, you will need to set the correct Access Point Name (APN) for the network you are currently trying to use. create a new thread if you have further questions on the internet connection issue
see forum.hovatek.com/thread-514.html for how to create a thread

Thank you for the support.
I closed the web management page as advised and selected E5573 in the option since i couldnt find untested. I get the error message below.


DC - Unlocker 2 Client 1.00.1392

Detecting modem :

selection :
manufacturer - Huawei modems
model - Huawei E5573

Selected Diagnostics port COM3

modem not found !


Kindly assist on what to do....
Regards.
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