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In short, the embedded SIM chip, eSIM is precisely the sort of game-changing development in digital automation that could transform the mobile industry. All involved, from customers to chipset producers, and everyone in between, can feel the effect of this new technology.
Wouldn't it be good if there was a way, once you arrive, to simply turn on your phone and instead link to a local carrier at local rates? Interestingly, this technology exists and it's been on the market for several years now. Welcome to the eSIM branch.
What is eSIM?
eSIM is a shortened version of embedded SIM, where SIM is an acronym for Subscriber Identity Module. So, an eSIM is an Embedded Subscriber Identity Module.
Meaning that unlike standard SIM cards you can’t take it in or out of the device. That might sound like a bad thing, but it’s designed so that you don’t have to, as rather than being locked to a specific network the SIM card can change network when you do.
Future for Travelers
There is no doubt that eSIMs will be a smoother and more convenient way to join carriers. Simply buy a plan from your computer, follow any instructions for authentication, select a form of payment, and you’re done! You can do this from the luxuries of home or the airport.
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eSIMs are perfect for frequent flyers, allowing them to remain connected regardless of how frequently or how unexpectedly they alter locations. However, even for those who tend to be home-based, it makes travel easier, especially for those who go back and forth between two countries regularly.
It also helps with waterproofing as there’s one slot less that can be invaded by liquids. eSIM technology could help lower manufacturing cost, helping it become more attractive, price-wise, to the consumer. Digitization usually tends to be cost-effective.
eSIM is small
eSIMs also would save space compared to physical SIMs. This can be helpful with additional battery life, make the hardware a little smaller or other future unforeseeable prospects.
eSims even take less space compared to nano Sims. The SIM card slot can be costly, and replacing the system with eSIM makes life simpler for manufacturers of smartwatches, fitness trackers and tablets. For those who want to create folding, flexible or creative products, this is a revelation.
eSIM can’t be physically damaged or lost
Physical SIMs are fragile and easily broken compared to eSIMs.
For example, imagine a pair of a pair of glasses with augmented reality (AR) technology. You're going to end up with something that makes you look like Elton John using actual SIM cards. Designers can be a lot more subtle with an eSIM. And the same portability has fascinating consequences for smart home technology and the Internet of Things: you or your Wi-Fi router won't need to be connected to devices with eSIMs.
You run far less harmful cards that degrade the consistency of your signal at inconvenient moments as the eSIM is embedded into phones.
eSIM is not limited to phones
Every year, more eSIM capable devices are produced, and not all are smartphones. We are used to connecting devices such as laptops or tablets to Wi-Fi signals, but with the adoption of eSIM technology, it is only a matter of time before they can all connect independently to the internet. One of the greatest advantages of an eSIM is its scale. It is so lightweight that smaller devices, such as wearable accessories, can have eSIMs built-in. When you are away from your devices, smartwatches remain linked and thus less stuff to bring! The latest smartwatches like the AppleWatch series 6 have eSIMs already installed although only a few selected operators that support eSIMs can be used.
eSIM easy to locate
For various items, you can theoretically pick and choose who you want your phone to connect to. For example, because network A is great for voice, but network B has better 5G speeds, or because you're in another country and the local network is cheaper for data than your regular provider, you could have one line for calls and another one for data.
That’s not the only incentive for holidaymakers and business travelers. You don't have to physically swap SIM cards when you fly if your phone has an eSIM, and you won't necessarily need to change your number when you switch networks. Since your eSIM can store several network details and logins, that means that when you arrive in a different country, you can simply change your eSIM and start using that country’s network instantly.