If you are a regular visitor of routerunlock.com (renamed from unlock4modem.in), then you were finding new solutions day-by-day. Our team daily find a new solution and keep updated you. Recently, Airtel and Idea launched E3372H dongle in India, but noticeable thing was that Airtel E3372h-607 was normal, where Idea E3372h-607 is hi-link dongle. After doing the experiment, it was found that both are using same chip inside.

Then our team tried to convert it from normal to hi-link mode, and after that got success.

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E3372 Airtel Unlock

Note: If you not so familiar with PC and modem, then don’t proceed with steps, otherwise, you will make device dead. If you want conversion of the dongle from hi-link to normal mode and vice-versa, then the charge is only Rs. 300 (US$ 6). Rest things I will do remotely for you.

How to convert Airtel E3372H Huawei data card into Hilink data-card?

  1. Make sure you have full battery backup on your laptop or PC, then only proceed with next steps.

2. Download any supported firmware of Huawei E3372h.

3. Now, connect Airtel E3372H-607 modem to PC.

4. Disconnect internet (if connected from this dongle) and close the software / mobile partner.

5. Run the firmware update, which you have already downloaded in Step 2.

6. The firmware will ask you for the password (comment below with IMEI and model to get the flash code).

7. Input the password.

8. Click next.

9. Wait till finish.

Note: Now your modem will stop working. PC will be not able to detect it.

10. Download Huawei Hilink driver V5.1.2600.2781 (FC Port).

11. Install in PC.

13. You will get a sound when PC will detect it.

Note: If PC does not detect it, then restart the PC. Under ports, you will get some FC interface installed.

14. Now run the Huawei E3372h-153 WEBUI

15. After completion of successfully webUI update, it will automatically open the browser with

16. Here, go to setting and configure the profile, according to the new SIM.

Now your Airtel E3372H-607 normal modem has been successfully converted into Hilink dongle.



  1. Device name: E3372
    IMEI: 866850022467428
    IMSI : 404070640821157
    Hardware version: CL2E3372HM
    Software version:
    Web UI version:
    model :E3372h-607
    pls unlock process

  2. Hi,
    Model of my data card Huawei E3372h-153

    01. Can I install Hi-Link for above model ? ( Currently in Modem mode )
    02. Can you give me the firmware code for it ? ( IMEI : 866119024336423 / Serial NR. : G4P7S15325006906 )
    03. Can you give me the unlock code for it ? ( IMEI : 866119024336423 / Serial NR. : G4P7S15325006906 )

    Thanking You.

    Additional information about the date card ….
    Found modem : E3372
    Model : Huawei E3372h
    IMEI : 866119024336423
    Serial NR. : G4P7S15325006906
    Firmware :
    Compile date / time : Feb 5 2015 10:29:20
    Hardware ver. : CL2E3372HM
    Dashboard version : UTPS23.
    SIM Lock status : Locked (Card Lock)
    Wrong codes entered : 0 (unlock attempts left : 10)


  3. Thanks for remote support. Highly recommended …
    Can you give me the firmware code for IMEI : 866119024336423 / Serial NR. : G4P7S15325006906 ?
    I forgot to record it.

  4. Sir, bought an unlocked Airtel dongle from OLX. I use BSNL sim in it and it works fine.
    I need help to replace the airtel software with a universal one as i am unable to modify the Profile in the airtel software to change the APN and other settings.

  5. hi i convert airtel 3372 in hi link mode
    but there is no ussd option in web ui i wanna change
    it in non hi link mode and also wanna use all sims can u plz help
    me out here

  6. I have installed web ui “Huawei E3372h-153 WEBUI” but this doesn’t has network frequency settings.

    Could you please guide me to find that where i can find universa l web ui which has this feature and can be installed on E3372-607 modem.

  7. sir, i completed all the process and it is redirecting to 192.168.81 portal but i’m not able to connect the network. please help me with the steps after connecting to portal

    • Idea firmware is very secured, no firmware will work on this modem. You need to unscrew the device, then only it can be unlocked. Unlocking charge is Rs. 400. It will be done remotely.

  8. Hi,
    I request a clarification from your side. What is the purpose of converting the Airtel 4G dongle ( non hilink ) to a hilink datacard ? Does the dongle (E3372h-607) have to be unlocked before following the procedure in this post ?

  9. I checked my web UI version, and it appeared like this
    Is there any different with your version?
    Also can I change the DNS here?

  10. Hi , I want you to look into my e3372 h607. I have unlocked it but in the process I lost Hlink and als mobile partner isn’t working also. As i put it in USB Port, it straight away show Cellular and also Network. I also can connect to internet. But its not working in my TP Link mr3420 Router. If you can solve it, I am willing to pay. Thanks

  11. i want to use e3373h-607 unlocked dongle with router of tp link TL-MR3420.

  12. Hello, would it be possible for you to find a DATALOCK code for Huawei E3372h-153 with following:
    IMEI: 865035039791892
    Current firmware: 21.326.62.00.55
    Current dashboard: UTPS22.

    I tried following codes, but unfortunately none of them works:
    58175319, 66086609, 62055488, 23973793


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