E1550 Firmware 11.609.20.03.356.b427

How to Unlock Huawei E1550 Modem with Firmware Update 11.609.20.03.356.b427

Huawei E1550 is a popular 3G USB modem that can be used to access the internet on various networks. However, some of them are locked to a specific carrier and cannot be used with other SIM cards. If you want to unlock your Huawei E1550 modem and use it with any network, you will need to update its firmware with a special version that allows unlocking.

In this article, we will show you how to download and install the Huawei E1550 Firmware Update 11.609.20.03.356.b427, which is an unlocking firmware for Idea network in India. This firmware will enable you to use any SIM card on your Huawei E1550 modem after following some simple steps.

Steps to Unlock Huawei E1550 Modem with Firmware Update 11.609.20.03.356.b427

Download the Huawei E1550 Firmware Update 11.609.20.03.356.b427 from this link. This is a zip file that contains the firmware update and a flash code generator.

Extract the zip file in a folder using any unzip software.

Connect your Huawei E1550 modem to your computer and make sure it is detected by the system.

Run the flash code generator (E155XCalc.exe) and enter your modem's IMEI number (you can find it on the back of the modem or on the box). Click on Calculate and note down the flash code that is generated.

Run the firmware update (E1550Update_11.609.20.03.356.B427.exe) and follow the instructions on the screen. When prompted, enter the flash code that you obtained in the previous step.

Wait for the firmware update to complete and do not disconnect your modem during the process.

Once the firmware update is done, your modem will restart automatically and you will see a message saying \"Update Success\".

Now you can insert any SIM card on your Huawei E1550 modem and enjoy internet access on any network.

Congratulations! You have successfully unlocked your Huawei E1550 modem with Firmware Update 11.609.20.03.356.b427.

Benefits of Unlocking Huawei E1550 Modem

Unlocking your Huawei E1550 modem with Firmware Update 11.609.20.03.356.b427 has many benefits. Here are some of them:

You can use any SIM card from any network on your modem and enjoy the best offers and plans available.

You can save money on roaming charges when you travel to different countries by using a local SIM card.

You can increase the resale value of your modem by making it compatible with more networks.

You can avoid being tied to a single carrier and switch to a better one whenever you want.

Precautions to Take Before Unlocking Huawei E1550 Modem

Before you proceed to unlock your Huawei E1550 modem with Firmware Update 11.609.20.03.356.b427, you should take some precautions to avoid any problems or errors. Here are some of them:

Make sure your modem is fully charged or connected to a power source before starting the firmware update.

Backup any important data on your modem such as contacts, messages, settings, etc.

Use a reliable and fast internet connection to download the firmware update and avoid any interruptions.

Do not use your modem for any other purpose while the firmware update is in progress.

Do not turn off your computer or modem during the firmware update. 061ffe29dd