Idea India has launched the Huawei E3372 modem that is a hilink device, means it comes with a built-in IP address ( / It provides the internet connection through Web-page. It comes with firmware version

Huawei E3372 data card
Huawei E3372 data card

Idea E3372H-607 is a 4G dongle, means it can provide you download speed up to 150 Mbps, while its upload speed limit is 50 Mbps. When you will change the SIM and connect to PC, you will see there are 0 attempts left to enter unlock / NCK code. Means it has customized firmware, and without flashing the device, it can not be unlocked.

How to unlock Hilink Huawei E3372H-607 dongle of Idea India?

  1. Download unlocking firmware of E3372H-607.

2. Plug the modem to PC with its USB.

3. If the internet is connected then disconnect it.

4. Remove any other Huawei device from PC, if it is connected.

5. Now run the downloaded firmware.

6. It will ask you password, use firmware code as password.

7. Wait till finish wizard.

Now, your device is successfully flashed.

Now change the SIM and plug it to PC, it will ask you 8 digit unlock code. Enter unlock code and enjoy with any network SIM.

If you want to change the default WebUI of Idea E3372H-607 data-card, then you can use the following :

Download Huawei E3372H Original WebUI (Idea India) (USSD supported)

Download Huawei E3372H WebUI (Universal)

Update: After testing the Idea E3372H, it is found that no firmware and WebUI is supported by this device. Even boot shot method does not work. It can be unlocked, but needs to send the device to my address. After unlocking, it will be shipped back to your address.

Vodafone India has also launched hilink E3372h dongle, that comes with Hardware version: CL2E3372HM, firmware version: and webui version Unlock solution is under process.

Update: Unlocking solution is availble now. Both Idea and Vodafone locked E3372h devices can be unlocked by boot shot method, means you need to unscrew the device. Charges will be Rs. 300. Interested, then leave a comment, I will contact you.


  1. I downloaded Idea Firmware on Airtel Modem by mistake. Now it is locked to Idea.
    Can you please help me change back to Airtel ?

  2. Sir I have Huawei E3372H-607 with firmware version
    kindly provide me its downgrade firmware to execute AT^NVRDEX=50503,0,128 to get it unlocked

  3. Sir I have idea E3372 607. I’m not satisfied with idea. I want to change to another network. But data card locked. How to unlock my data card.

  4. Hi, I m using unlocked Idea e3372-607 data card with Jio sim with my Asus router. I feel it is only latching with 1800 Mhz band of Jio network & not latching to 2300 Mhz band.
    It is having Software version: & Web UI version:

    Kindly tell me, is there any firmware or WebUI which is having RSSI status, Network Band selection control, port forwarding & DMZ controls & manual DNS settings like other routers?

  5. Hi, I have an Idea Huawei E3372H-607 with firmware,
    it was originally unlocked when i bought it from ebay, but got locked after a firmware update,
    can it be unlocked.