How to Unlock Airtel E1731 Modem with E173Update-11.126.85.00.114-B427.zip [WORK]
If you have an Airtel E1731 modem with firmware version 11.126.16.04.284, you might have noticed that it is not supported by any unlocking tool. However, there is a simple solution to unlock your modem using a firmware update file called E173Update-11.126.85.00.114-B427.zip.
This file has been tested and confirmed to work by many users who have successfully unlocked their modems and used any GSM SIM card of their choice. In this article, we will show you how to download and use this file to unlock your Airtel E1731 modem in a few easy steps.
The first thing you need to do is to download the firmware update file from a reliable source. You can use the link below to download it from 4shared, a free file sharing service.
The file size is about 16 MB and it is an executable file that you can run on your Windows PC.
Step 2: Generate Unlock Code and Flash Code
Before you can flash your modem with the new firmware, you need to generate an unlock code and a flash code for your IMEI number. You can use a free software called Universal Master Code Calculator to do this.
You can download it from the link below:
Download Universal Master Code Calculator
After downloading, run the software and enter your IMEI number in the box provided. You can find your IMEI number on the back of your modem or by typing *#06# on your modem dashboard.
The software will generate an unlock code and a flash code for your IMEI number. Note down these codes as you will need them later.
Step 3: Flash Your Modem with E173Update-11.126.85.00.114-B427.zip
Now that you have the firmware update file and the codes, you are ready to flash your modem with the new firmware.
Follow these steps carefully:
Close any program that might be using your modem, such as the dashboard or any browser.
Connect your modem to your PC and make sure it is detected by the system.
Run the E173Update-11.126.85.00.114-B427.exe file that you downloaded earlier.
The program will ask you for a password, which is the flash code that you generated in step 2.
Enter the flash code and click OK.
The program will start updating your modem firmware.
Do not disconnect or interrupt the process until it is completed.
When the update is done, you will see a message saying \"The wireless terminal inserted is not Firmware, update wizard can't work on\". This means that your modem is unlocked.
Click OK and close the program.
Step 4: Use Any GSM SIM Card
Congratulations! You have successfully unlocked your Airtel E1731 modem with E173Update-11.126.85.00.114-B427.zip.
You can now use any GSM SIM card of your choice on your modem.
To do this, simply insert the SIM card into your modem and connect it to your PC.
You might need to create a new profile on your modem dashboard with the correct APN settings of your network provider.