Do you know what an eSIM is? eSIMs are very much in the spotlight right now. Because Apple has used this eSIM in its new phones iPhone XS and XS Max. They have also used eSIM for dual SIM support for connectivity in Apple Watch Series 3 and Watch Series 4. But due to lack of accurate and complete information, people are not able to know about eSIM properly. You may have also heard a little about eSIM and are wondering how it is different from normal SIM.
Some may even be wondering if it can be used in their devices or not. To answer all these questions, this article has been presented to you what is eSIM and how it works. Hopefully, it will be able to answer all your questions correctly.
We can see that today’s phones and networks can adopt these electronic SIM cards for their future smartphones because they will not need any more physical SIM cards (and SIM slots) in their devices.
This will save a lot of space. This eSIM is not only suitable for manufacturers, but it is also suitable for users in a large quantity. So what exactly is this eSIM? And what exactly is it going to provide in our smart phones? Keep reading to find out.
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What is e-SIM
Embedded Subscriber Identity Module or eSIM, is a type of programmable SIM card that is embedded directly into a device such as a smartphone. Unlike removable traditional SIM cards, the eSIM is connected to the device’s circuit board during the manufacturing process and cannot be removed. They offer the same electrical interface as traditional SIM cards and can be re-programmed to work with different carriers.
An eSIM needs a network or carrier to run properly and which will be enabled by them later, so for your new iPhone XS or XS Max you will need to look for an eSIM-compatible network that supports running a second SIM support.

An eSIM basically works like a small chip inside your phone and it works just like an NFC chip. The information on the eSIM is rewritable, which means that you can change the operator with a simple phone call.
Also, a data plan can be easily added to it – apart from this, connecting eSIMs with your mobile account is a matter of minutes.
One thing you should note is that the iPhone XS and XS Max also have a physical SIM slot for a SIM card – while this eSIM can be used as a second SIM support. Isn’t that a very funny thing? The eSIM uses GSMA technology, in association with other mobile networks. This GSMA is a worldwide standard for eSIMs all over the world.
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When is the eSIM being launched?
The eSIM has been launched on the iPhone XS and XS Max. We can also see it in Apple Watch Series 3 and Watch Series 4. It is being highly appreciated by the users. If I talk about countries, then only 10 countries currently support this eSIM.
which belong to Austria, Canada, Croatia, the Czech Republic, Germany, Hungary, India, Spain, UK, and US. The company says that this service will be made available in other countries very soon.
What does eSIM mean for your devices?
One of the best advantages it offers is that you can use this eSIM even on a small device if you look at it from a design point of view because it does not require any extra SIM tray to hold the SIM card. Also, it does not require the manufacturer to distribute a lot of SIM cards for the network.
Also, eSIMs are great for your other devices such as laptops and tablets, since seamless connectivity can be achieved without a physical SIM card. Also, it can be connected with many devices simultaneously through eSIMs because eSIMs do not require extra space.
Which devices can use eSIMs?
Apple has used eSIM connectivity in its Apple Watch Series 3 and Watch Series 4, as well as dual SIM support in the new iPhone XS and XS Max. Google’s Pixel 2 also supports eSIM, but it’s limited to Google’s Project Fi in the US.
Which network providers support eSIMs in India?
Currently, there are only two network providers in India that support eSIM technology; They are Jio and Airtel.
Benefits of e-SIM card
E-SIM cards offer many benefits over physical SIM cards. Some of the key benefits of eSIM cards include:
Convenience: The eSIM is embedded in the device and cannot be lost or damaged, eliminating the need to buy a physical SIM card or waiting for delivery.
Flexibility: eSIMs are programmable and can be reconfigured to work with different carriers, making it easy to switch carriers or add a second line to the device.
Dependability: eSIMs are more reliable than physical SIM cards, as they don’t wear out, get damaged, or have to be shortened to a specific size.
Interoperability: GSMA, a mobile industry trade organization, has established a standard for eSIMs that enables users to easily switch between any available networks.
Security: eSIMs are not software and are not vulnerable to hacking in the same way that sending profiles over the air might.
Easy Activation: The eSIM can be activated or moved during device setup without contacting the carrier.
No Logistical Hassle: eSIM eliminates the need to search for a store or wait for the physical SIM card to be delivered by mail.
Connectivity: eSIM allows users to connect to cellular data networks and surf the internet on their devices, just like traditional SIM cards.
Overall, eSIM cards provide a more convenient and reliable way to connect to cellular networks, making them a popular alternative to traditional physical SIM cards.
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How to make an e-SIM card?
Follow the steps below to create an eSIM card:
- Check if your phone is eSIM compatible.
- Contact your carrier to transfer your phone number from your physical SIM to the eSIM using eSIM carrier activation or by scanning a QR code.
- Connect your phone to a Wi-Fi or mobile data network.
- Go to Settings and search for Networks, Connections, Mobile, or similar.
- Find the option to download a SIM or eSIM and follow the prompts from your carrier to scan the QR Code on your eSIM activation card.
- Enter the information manually if necessary.
- Wait for your eSIM to activate. Your previous SIM card will be deactivated when the cellular plan is activated on your phone.
- If the plan you activated replaces the plan on your physical SIM, remove the physical SIM from your phone.
The exact steps for using an eSIM card on a phone may vary depending on your carrier and device. It’s always best to follow the instructions provided by your carrier and device manufacturer.
What did you learn today?
I hope I have given you guys what is eSIM? I hope you guys have understood about what eSIM is.
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