I have already provided the article about how to flash Airtel Huawei E173CS-1 latest firmware and generate 86 series IMEI unlock code. But, recently, when I was unlocking some Airtel E173Cs-1 Indian Modem, a few modems asked for unlock code while putting another SIM on the modem, but some of them were not asking for unlock code. Hence, we provide the article for those Huawei E173CS-1 modems which do not ask for an unlock code after flashing the modem.

How to use code writer tool in Huawei Airtel E1731 (E173Cs-1) Modem?

1. After flashing the Airtel E173CS-1 modem, download the Huawei Modem Code Writer Tool from the link provided below after the article.

2. Extract the zip file and run the Huawei Modem Code Writer.

huawei modem code writer tool
Huawei modem code writer tool

3. Now plug your flashed Airtel modem in your computer.

4. Now click on the “Please Select COM Port” button, and it will open a small window.

huawei modem code port
Huawei modem code port

5. Click on the Detect button and select the port.

6. After selecting the COM port, click on the Accept button.

7. Now click on the Unlock Modem button.

unlock modem - Huawei Modem Code Writer v1.0b
Unlock modem – Huawei Modem Code Writer v1.0b
8. Now, it will open a new window, asking for an unlock code.
unlock code - Huawei modem code writer tool
unlock code – Huawei modem code writer tool

9. Here, provide the Unlock Code (8 digits) you have generated via this article, and after that, click on the OK button.

Now you have a unlock Airtel 3G modem in your hand.

Download Huawei Modem Code Writer Tool

 

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