UNLOCK HUAWEI AIRTEL E1731 E173bu-1 CUSTOMIZED FIRMWARE SOLUTION FREE

As zte, micromax is the famous brand for modem, huawei is also a leading brand. Many sim / network providers is using huawei modem for his network. After idea, vodafone, aircel now Bharti airtel has also come with E1731 with customized firmware and its firmware version number is  11.126.16.04.284 and software version is 16.001.06.07.254 Fakiro . When you will open the cover and see then there E173Bu-1 will be written and it comes with customized firmware. But, the problem is that it is locked and can not be used with other network provider sim. I will guide you to unlock your new Airtel E1731 with the help of the firmware update.
Step by step guide to unlock  HUAWEI AIRTEL E1731 E173bu-1 CUSTOMIZED FIRMWARE TOTALLY FREE :
  1. Download Universal Master Code Calculator software and firmware upgrade of E1731 (E173Bu-1) modem dongle from the download link which is provided at the end of the article.
  2. Now run Universal master code tool and generate unlock code and flash code of your IMEI.
  3. Now plug your device to your PC / laptop / Desktop and let it launch the software of modem.
  4. Now close the running software / mobile partner of the software and run firmware update E173Update_11.126.85.00.114_B427.exe.
  5. Now its will find your modem automatically.
  6. Click on next and when it ask you for password put flash code as your password which you had generated earlier.
  7. After a few seconds your modem will be updated with unlocked firmware.
Now update the modem with latest Huawei Mobile Partner Software from this link.

Now after fully updated your dongle, unplug and plug your modem with another than default sim (other than Airtel sim) in your computer / laptop. Now your dongle / modem will ask you unlock code / password. Put the unlock code as ppi which you had generated earlier and your  Airtel E1731 (E173Bu-1) Huawei Customised Firmware Modem Dongle is unlocked forever. 
Users who likes my post can like my Facebook Page to get updated tips and tricks via Facebook.


Update : If above mentioned firmware does not ask for password or unlock code the you download this firmware (Firmware Version is E1731Update_11.126.15.00.00.B416). It will work 100% for you.

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77 Comments Already

  1. No Both the firmware gives update error after accepting the flash code as password

  2. have you close the dashboard after disconnecting the internet. If you will not close the dashboard then its will give you the error message.

  3. Ya, Kamlesh vai…. it shows a error that different c version………..

  4. Hi…Kamlesh…
    I got the same error message..
    here is my Modem detail..

    E1731 (e173bu-1)
    DC – Unlocker 2 Client 1.00.1018

    Detecting modem :

    selection :
    manufacturer – Huawei modems
    model – Auto detect (recommended)

    Enabling Huawei modem driver… OK
    Waiting for Huawei modem…

    Found modem : E1731
    Model : Huawei E1731 (Airtel India)
    IMEI : 354369049973093
    Serial NR. : 8CABYA92C2201122
    Firmware : 11.126.29.00.284
    Compile date / time : Aug 13 2012 19:28:09
    Hardware ver. : CD1E153M
    Dashboard version : UTPS23.001.07.06.910_LNX23_myModem.in
    Chipset : Qualcomm MSM6290
    Voice feature : disabled
    SIM Lock status : Locked (customized firmware)
    Wrong codes entered : 10 (unlock attempts left : 0)

  5. Your modem is high version firmware, mail me in kamlesh2011@gmail.com with DC unlocker and another details. I will give you another link of firmware.

  6. it’s geeting different c version kamlesh

  7. mail sent

  8. mail sent.

    thanks

  9. Badev, Your modem may be of latest version firmware of 86 series, on that it will not work.

  10. kamlesh will u send me any other method for airtel 3g 173Bu-1 and imei-354369048031729……please send me..i have tried lot but couldn’t unlock…so.please kamlesh

  11. Possibly your modem is of new algo and on that new algo Airtel Huawei E173bu-1 modem, above firmware will not work. If you will use wrong firmware on your modem, then your modem will be dead forever. First i check and be confirm then only i post. Presently we don’t have another firmware for your modem, so just wait or try another paid option.

  12. ok kamlesh u check and post as fast as possible

  13. kamleshplease let me know fast

  14. While try to generate the flash code it shows the error
    Found modem : E1731
    Model : Huawei E1731 (Airtel India)
    IMEI: 868510010793353
    SIM Lock status : Locked (customized firmware)
    Wrong codes entered : 10 (unlock attempts left : 0)
    please help me.

  15. While try to generate the flash code it shows the error
    Found modem : E1731
    Model : Huawei E1731 (Airtel India)
    IMEI: 868510010793353
    SIM Lock status : Locked (customized firmware)
    Wrong codes entered : 10 (unlock attempts left : 0)
    please help me.

  16. From which software you are trying to generate the firmware code and you are getting error.

  17. kamlesh….please tell me somehow to unlock my datacard

  18. DC unlocker supports 86 series E173bu-1 modem, purchase credits and easily unlock bro.

  19. hi kamlesh.

    my modem is huawai- E173Bu-1.

    i want firmware bro.

    i used universal and gain unlock code and flash code and than in next software i.e., firmware . it detects my modem and it askes for password…

    then here is the problem. i entered the 2 codes gained individually ,, but nom use , it sayng that wrong password.

    plz help me , i cant unlock my modem and as well as is my modem connects to another system. the drivers and airtel software is not detecting.

  20. Nikhil i don’t have firmware solution for latest E173Bu-1 airtel modem.

  21. then where can i proceed bro,,…
    can u guide me plz,,,,, i want my modem unlock

  22. UNLOCK HUAWEI AIRTEL E1731 E173bu-1 CUSTOMIZED FIRMWARE SOLUTION FREE.
    .
    .
    u mentioned na bro there that E173bu-1

  23. Purchase DC Unlocker credits, it works 100% , i have also unlocked one modem.

  24. if we want to unlock ,,,, must purchace dc credis aa,,,,,

    for some modems dc credit purchase not require na bro…

    but for this y we hav to buy,,

    can u explain plzzzzz…….

    bcoz instead of buying credits we can make unlock outside retailers na????

  25. DC unlocker nothing give for free.

  26. k kamlesh…

    thank u fr ur kind information .

    but if any trick comes for my modem ,,,,, please inform me with a link to
    .

  27. my id is : podishettin@gmail.com

  28. hi,
    I have a Huawei UMG1831 21 Mbps datacard which is not working because I flashed it with wrong firmware. Its IMEI and Serial No were missing. After some research in internet I restored IMEI no using QPST. But still the datacard is not registering to any network.

    Can u help me? I am ready to pay if data card is repaired.

    Thank you

  29. Now flash the modem with origial firmware.

  30. I have already flashed with the original firmware. But still it’s not working.

  31. Then only repair option with J-tag device can help you.

  32. I am from Bhubaneshwar Odisha. can you repair it? I will send you the modem.

  33. I am from Bhubaneshwar Odisha. can you repair it? I will send you the modem.

  34. I can only unlock the modems, i can’t repair modems, see in local market, may someone is doing repairing works with J-tag device.

  35. i am able to unlock 173Bu-1 and using MTNL dolphin 3G connection.can you please guide me how to remove the airtel cd drive which starts the airtel setup each time when i plug the Airtel E173bu-1.
    Thanks

  36. Use huawei mobile partner unbranded http://www.unlock4modem.in/2013/03/mobile-partner-230090901983-with-wifi.html

  37. Hi sir,
    i am gettin the error in both firmware versions. Here is my Huawei model details.
    Model:E1731
    Firmware version:11.126.29.00.284
    Hardware version:CD1E153M
    Software version:23.009.05.01.284

  38. Then your IMEI of 86 series of new algo.

  39. kamlesh,i have airtel E173Bu-1……..i have dc unlocker so please tell how to unlock and which firmware

  40. If you have dc unlocker then detect the dongle and click on unlock button and it will be unlocked.

  41. it’s not detecting……bro…
    tell some other method

  42. Then i can’t do anything, if you can send it to me, i can unlock.

  43. WHAT SHOULD I SEND…….PLEASE THEN I WILL SEND U.PLEASE TELL

  44. If you can send me your modem to me, then i can unlock it.

  45. where and how should i send…if possible give your contact number..bro

  46. Mail me in kamlesh2011@gmail.com

  47. it shows error while updating firm

  48. If your modem is of 86 series, then it will not work.

  49. my airtel modem e173bu-1 imei error ,tellme solution

  50. my airtel e173bu-1 modem imei no error ,plez tellme solution

  51. If IMEI error then it can be solved with J-tag device only.

  52. Hi kamlesh
    I have airtel 173bu-1 modem
    with following DC log

    DC – Unlocker 2 Client 1.00.0460

    Detecting card :

    selection :
    manufacturer – Huawei datacards
    model – Auto detect

    Found modem : E1731
    Model : _Unknown Huawei modem_
    IMEI : 354369047774105
    Firmware : 11.126.29.00.284
    Dashboard version : UTPS21.005.22.04.284_MAC21.005.22.05.284_LNX21.005.22.04.284
    Serial NR. : 8CABYA9282305505
    Voice feature : disabled
    SIM Lock status : Locked (Card Lock)
    Wrong codes entered : 10 (unlock attempts left : 0)

    It shows update failed when I update firmware of this modem.

    I tried many tools is there any firmware which supports this modem please mail me on vikas.baldoo@gmail.com

  53. hi this krishnan nw i’m using modam E173BU-1
    IME868510012828223
    WHN I UUDATE ABOVE FIRMWARE IT SHWN MSG UPDATE FAIL THEN HW CAN I UNLOCK BRO

  54. Purchase DC unlocker credits to unlock your dongle.

  55. Can you post some screenshots for unlocking E173b-1 with 86XX series IMEI???

  56. 86 series imei Airtel E173bu-1 can not unlocked through above method.

  57. Is there any other way Kamlesh??? I need to unlock it somehow! Any help is appreciated!

  58. Purchase DC credits from dc-unlocker and unlock it.

  59. my modem is airtel e173 bu 1
    imei 354369044112028
    unlocking firmware link pleasse

  60. Download the firmware which is mentioned in the article, your modem will be unlocked.

  61. this is DC Locker log using Airtel SIM
    selection :
    manufacturer – Huawei modems
    model – Auto detect (recommended)

    Found modem : E1731
    Model : Huawei E1731 (Airtel India)
    IMEI : 354369049504807
    Serial NR. : 8CABYA92B0109373
    Firmware : 11.126.29.00.284
    Compile date / time : Aug 13 2012 19:28:09
    Hardware ver. : CD1E153M
    Dashboard version : graham_inggs_custom_iso
    Chipset : Qualcomm MSM6290
    Voice feature : enabled
    SIM Lock status : unlocked
    Wrong codes entered : 10 (unlock attempts left : 0)
    plz help not able to update firmware

  62. Update your modem with above mentioned firmware, it will work.

  63. tried with above mentioned firmware… update failed… help what to do

  64. Mail me in kamlesh2011@gmail.com, if you want to try with more firmwares.

  65. modem name:E1731
    application port:COM5
    serial no:8CABYA9292003259
    imei:354369048451059
    hardware:CD1E153M
    firmware:11.26.29.00.284
    software version:21.005.22.04.284
    plz help..

  66. Modem name:E1731
    model:E173Bu-1
    Imei no:354369048451059
    serial no:8CABYA9292003259
    hardware:CD1E153M
    software:21.005.22.04.284
    firmware:11.126.29.00.284
    Application port:COM5
    plz help

  67. Above mentioned procedure should work on this modem.

  68. cn’t connect to the above given link..is it becoz f mt browser m usin firefox mozzila25beta version

  69. If any advertisement opens then you will get “Skip Ad” on right side top, click on Skip Ad and your download will be ready.

  70. it says
    Server not found

    Firefox can’t find the server at 897e654b.linkbucks.com.

    Check the address for typing errors such as ww.example.com instead of http://www.example.com
    If you are unable to load any pages, check your computer’s network connection.
    If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web.

  71. Might be that time server will be down, if still problem then mail in kamlesh2011@gmail.com

  72. still can’t load the above given link plz help…

  73. Device name: K3772
    Application port: COM3
    Serial number: W5T7NA9332319643
    IMEI: 861320001251248
    Hardware Version: CH2E303SM
    Firmware Version: 21.157.40.00.210
    Software Version: 16.001.06.01.500 FaKiro

  74. Device name: K3772
    Application port: COM3
    Serial number: W5T7NA9332319643
    IMEI: 861320001251248
    Hardware Version: CH2E303SM
    Firmware Version: 21.157.40.00.210
    Software Version: 16.001.06.01.500 FaKiro

  75. It will be unlocked, its charge is Rs. 60 for Indian and 1.50$ for others, want then mail me in kamlesh2011@gmail.com

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