Airtel India Huawei E5573cs-609 Free Unlocking Tutorial with Firmware 21.318.09.00.284

How to Unlock Airtel 4G Hotspot for Free

Airtel 4G hotspot is a portable device that allows you to enjoy high-speed internet on multiple devices anywhere and anytime. However, it comes with a limitation: it only works with an Airtel SIM card. If you want to use other network providers' SIM cards on your Airtel 4G hotspot, you need to unlock it first. In this article, we will show you how to unlock Airtel 4G hotspot for free using two methods: firmware and software. We will also discuss the benefits and risks of unlocking your device, as well as some frequently asked questions.

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What is Airtel 4G Hotspot and Why Unlock It?

Airtel 4G hotspot is a wireless router that can connect up to 10 devices such as smartphones, laptops, tablets, etc. to the internet using a 4G SIM card. It has a battery life of up to 6 hours and can be easily carried around in your pocket or bag. It is ideal for people who travel frequently or need internet access in remote areas.

However, there is a catch: the device is locked to the Airtel network, which means you can only use an Airtel SIM card on it. If you insert a SIM card from another network provider, the device will not recognize it and will ask for an unlock code. This can be frustrating if you want to switch to a cheaper or better network plan or if you travel abroad and need to use a local SIM card.

That is why many people want to unlock their Airtel 4G hotspot devices so that they can use any SIM card they want on them. Unlocking your device can give you more freedom and flexibility in choosing your network provider and plan. It can also save you money on roaming charges when you travel internationally.

Benefits of Unlocking Airtel 4G Hotspot

Some of the benefits of unlocking your Airtel 4G hotspot are:

• You can use any SIM card from any network provider on your device, which means you can switch to a cheaper or better plan whenever you want.

• You can use a local SIM card when you travel abroad, which means you can avoid expensive roaming charges and enjoy faster internet speeds.

• You can increase the resale value of your device, as unlocked devices are more in demand than locked ones.

• You can use your device as a backup internet connection in case your primary one fails or is unavailable.

Risks of Unlocking Airtel 4G Hotspot

Some of the risks of unlocking your Airtel 4G hotspot are:

• You may void the warranty of your device, as unlocking it may be considered as tampering with its original settings.

• You may damage your device or make it unusable if you use an incorrect or incompatible firmware or software to unlock it or software to unlock it.

• You may face legal issues or penalties from Airtel or the network provider you switch to, as unlocking your device may be considered as violating their terms and conditions.

• You may lose some features or functionality of your device, such as automatic updates, customer support, etc.

Therefore, before you decide to unlock your Airtel 4G hotspot, you should weigh the pros and cons carefully and do it at your own risk and responsibility.

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How to Unlock Airtel 4G Hotspot Using Firmware

One of the methods to unlock your Airtel 4G hotspot is to use firmware, which is a software program that controls the hardware of your device. By flashing or installing a different firmware on your device, you can bypass the lock and use any SIM card you want. However, this method requires some technical skills and knowledge, as well as some tools and files that you need to download from the internet. Here are the requirements and steps for unlocking your Airtel 4G hotspot using firmware:

Requirements for Unlocking Airtel 4G Hotspot Using Firmware

To unlock your Airtel 4G hotspot using firmware, you will need the following:

• An Airtel 4G hotspot device (model E5573Cs-609) with a battery level of at least 50%.

• A PC or laptop with Windows operating system and internet connection.

• A USB cable to connect your device to your PC or laptop.

• Two firmware files: Firmware 1 (21.318.99.03.00) and Firmware 2 (21.328.62.00.284). You can download them from respectively.

• A software program called DC-Unlocker, which can detect your device and generate an OEM code for unlocking it. You can download it from . Note that you will need to buy credits to use this software.

• A website called Huawei Calculator, which can calculate the OEM code for unlocking your device based on its IMEI number. You can access it from . Note that you will need to register an account to use this website.

Steps for Unlocking Airtel 4G Hotspot Using Firmware

The steps for unlocking your Airtel 4G hotspot using firmware are divided into three phases:

Phase 1: Download and Run Firmware 1

• Download Firmware 1 from the link provided above and extract it to a folder on your PC or laptop.

• Connect your Airtel 4G hotspot device to your PC or laptop using the USB cable.

• Open the folder where you extracted Firmware 1 and double-click on the file named E5573Cs-609_Update_21.318.99.03.00.exe.

• A window will pop up asking for a password. Enter flash as the password and click OK.

• The firmware update process will start and take a few minutes to complete. Do not disconnect your device or close the window until it is done.

• Once the firmware update is done, a message will appear saying Update Success. Click OK and close the window.

Phase 2: Generate OEM Code Using DC-Unlocker and Huawei Calculator

• Download DC-Unlocker from the link provided above and install it on your PC or laptop.

• Launch DC-Unlocker and click on the magnifying glass icon to detect your device.

• Once your device is detected, you will see some information about it on the screen, such as its model, IMEI number, firmware version, etc.

• Note down the IMEI number of your device, as you will need it later.

• Click on the Server tab and enter your username and password that you used to buy credits for DC-Unlocker.

• Click on Check Login to verify your account.

• Click on the Unlocking tab and select Read Unlock Code By IMEI from the drop-down menu.

• Type in the IMEI number of your device and click on Do Job.

• The software will connect to the server and generate an OEM code for unlocking your device. Note down this code, as you will need it later.

• Close Close DC-Unlocker and disconnect your device from your PC or laptop.

• Open a web browser and go to Huawei Calculator from the link provided above.

• Register an account or log in if you already have one.

• Enter the IMEI number of your device and click on Calculate.

• The website will calculate the OEM code for unlocking your device based on its IMEI number. Note down this code, as you will need it later.

Phase 3: Download and Run Firmware 2 and Enter OEM Code

• Download Firmware 2 from the link provided above and extract it to a folder on your PC or laptop.

Connect your Airtel 4G hotspot device to your PC or laptop using the USB cable.<