MTS data carrier use Huawei EC172 modem for providing the internet to his users. Huawei EC122 modems can be unlocked via firmware upgrade or you can say downgrade process. All of you just need to download the firmware (it can be downloaded from the link which is provided at the end of the article) for your modem and after updating the firmware your modem will be unlocked for other network. 
EC122 CDMA modem dongle firmware update
EC122 CDMA modem dongle firmware update

Note : The process can dead your modem forever. Users need to do the step by step.

Step by step guide to unlock MTS Huawei EC122 modem free :

 
1. Disconnect The Internet Connection and Exit or close the Huawei Mobile Partner Software.
2. Now run the downloaded firmware EC122Update_11.104.04.01.656.B704 from the link which is provided at the end of the article. 
 
3. Just accept the agreement and Click on ”Next” button.

4. Let the firmware to detect your connected modem.

5. After Detecting your modem, Press ”Next” button.

6. Continue till the setup finish.
 
After all the above steps get finished your modem will be unlocked forever. Now you can use any other network sim provider. Enjoy.
 
Note : This step will ask you for password. Just use any tool from my blog to generate unlock code and flash code. Put flash code as password whenever it asks.
 

Download Firmware EC122Update_11.104.04.01.656.B704.zip

Users who need original dashboard can download from this link.

Unlocking guide are available at here.

177 COMMENTS

  1. my meid is A000002DA864D4
    .can you help me out with the password and spc code? and my other specifications are fcc id:QISEC122, pSEN:80972D6D, S/N:HIA9MB1141503482. THANKS IN ADVANCE.

  2. my meid is A000002DA864D4
    .can you help me out with the password and spc code? and my other specifications are fcc id:QISEC122, pSEN:80972D6D, S/N:HIA9MB1141503482. THANKS IN ADVANCE.

  3. how do i know my data card is unlocked?whenever i try to connect it to internet it says “the specified port is not open”. what should i do now?

  4. MEID- A000002DA7A96A9
    MODEL- EC122
    its not asking for flash code during firmware update. please help.
    firmware update tool shows only A000002DA7A96A but its written A000002DA7A96A9 on modem.

  5. i can not download CDMA workshop tool… I am also search google but Can not download.. plz give me a link where i can easily download…and one thing from these page this software are removed.. plz help me dada

  6. please help me with the Firmware upadte code for Huawei modem Ec122 IMSI- 640060614434472…………….PASSWORD PLEASE

    How can i get my Ec 122

  7. Dear sir, I need unlock my for Huawei Ec122 modem. Kindly give Firmware upadte code. it’s MEID no: A0000020170B71

    Regards,
    peter

  8. Please help me for unlocking huawei EC122 model, IMSI Number : 636119908618065, ESN : 09748309.

    I need firmware update code and MEID password

    Thnks a lot

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