eSIM Cards Unveiled: Essential Key Points You Should Know

by Arun Bhatnagar

Everyone has a SIM card, but lately, many people have considered an eSim instead as it brings more advantages than the standard type. The SIM card was first introduced in 1991 when the dimension of it was the size of the credit card that we own nowadays. But in 2010, there were discussions about a possible software-based SIM, the first version appearing in March 2016 and the second in November 2016. But it was Apple that first introduced eSim support with the Apple Watch Series 3 in September 2017. 

The SIM card has been essential for communication for over 25 years, but as the technology expands, so do the forms in which we find these cards nowadays. 

Here is everything you need to know about eSIM cards. 

What is an eSIM card?

An embedded SIM, or the short version, an eSIM card, is the digital version of the traditional SIM card. Thanks to a microchip already installed in our phones when we buy them, we can install many “eSIM profiles”. These profiles are equivalent to physical cards, and with their help, people can access their phone numbers and data plans. 

One of the first companies to incorporate them in the phones was Apple, with an Holafly eSIM card. The eSIM is one of the most important developments in the communication field, as it helps with end-to-end digitalization and delivers advanced security and flexible and seamless connectivity. 

The advantages of an eSIM card

It is easy to switch networks with it

With an eSIM, you will have an easier time switching mobile networks. This is because, instead of ordering a new SIM and waiting for it to arrive, you can switch to a different network with just a few clicks online or a phone call. With it, you will also avoid spending a couple of hours searching everywhere for that little tool needed to remove the old SIM from your phone. 

You can change to another network

In just one eSIM, you can store up to five virtual SIM cards. This means you can easily change your networks if you are in a location that doesn’t have a signal in your usual network. This alternative also makes traveling better, as you will not need to insert a local SIM while you are on your trips. With the help of an eSIM, you can also cut some costs, and it is a cheaper alternative than buying a new SIM every time you are in a new destination. Plus, you will reduce the risk of losing your card, as there is no need to remove it. 

It uses less physical phone space

With the help of an eSIM, there is no need to have a physical card and its tray. Smartphone manufacturers could use that space in many ways, including increasing the battery size and adding more features. Also, having fewer holes will mean better protection from dust and moisture. This can also increase the life of a phone.

How can you set up eSIM? 

eSIMs are easy to set up, as you can do this process easily in your house. You will just need to aim your phone’s camera to a 2-D barcode, which is provided to capture the configuration that will be transferred to the digital card. After this, depending on your phone, you will need to follow a series of steps. You will have to choose whether you want to use the eSim for data and calls or only data and if you want your eSim to work as a single line or with another line, including with a conventional SIM card.

The good news is that the virtual SIM can be configured multiple times, so if you want to change your mind about the settings, you can do that. Plus, with the help of an eSIM, there is no need to worry about surprises on your phone bills when traveling. 

The difference between a SIM card and an eSIM

Both types of cards provide connectivity. However, many differences set the two options apart. Also, an eSim brings more advantages to the standard alternative, including remote activation, ease of use, and the ability to switch between networks. Here are some differences between the two choices.

SIM Card features:

  • It can be inserted and removed from phones
  • It usually comes with a new mobile service contract or a new device
  • It is very easy to lose

eSIM card features:

  • It is embedded directly into phones
  • It can be activated remotely
  • You will reduce the chance of losing it (as long as you don’t lose your phone)
  • It can’t be stolen, making it a more secure choice
  • It can be updated remotely, and you can easily switch between multiple mobile service providers
  • It is great for international trips
  • It doesn’t take the same amount of physical space, making it a better option for more compact and thinner devices
  • Several devices allow using multiple eSims, so you will have better flexibility. 

Revolutionizing Connectivity

In the last few years, the number of people who use eSIMs has increased in a great measure. This is why the eSIM market’s value is expected to increase to $16.3 bn by 2027. The developments of technology were also something that made people consider more the new innovations that appear on the market, including eSIMs. Digital cards bring many advantages, including better security and seamless and flexible connectivity. 

eSIMs will probably be the future of smart devices and smartphones. Even if you don’t have one now, your next phone will probably have embedded eSIMs. However, there is no need to rush. As long as your phone only offers a physical SIM, you can continue to use it as long as you want.

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