What is eSIM and how it works?

In the past 30 years, if you wanted to connect a phone or any device to a cellular network you have to insert a physical SIM card. But in nowadays, you have another new option, which is called eSIM.

What is an eSIM? An eSIM is a small chip inside your phone that acts just like a SIM card. It’s not a physical SIM card, so you don’t have to worry about inserting it into your phone or swapping it with other SIMs. To get your eSIM up and running, you simply contact a network that supports eSIMs, and they’ll activate it for you. You can have plans from more than one network stored on your eSIM, but you’ll only be able to use one at a time.  

How do eSIMs work?

Physical SIM has gone from a mini form factor to Micro, to today’s nano SIMs, with eSIMs. We’ll take a look at how it’s possible for the connectivity provided through physical SIMs to move to the digital world of remote eSIM provisioning. But first, we’ll take a quick look at how SIM cards work in general to understand this properly.

SIMs vs eSIMs : Are eSIMs right for you?

Currently, not all devices are installed eSIMs. Since it is a newer technology, and its cost is a bit higher than traditional devices which installed SIMs. Till now only few devices are installed eSIMs and it is still stay at the small stage. Most consumers still choose SIMs meanwhile most devices are still installed SIMs.  

What are the advantages of eSIMs

Some of the main advantages of an eSIMS:

• eSIMs give you instant connectivity. No more waiting for a SIM delivery or installing it on the phone. You will be able to get a plan with a few taps.
• One phone with many plans. eSIMs let you store as many profiles and plans as you need in one device so you can easily shift between networks. This means you can:
• Use one number for business and one for personal calls on the same phone
• Add a local data plan that starts working from the moment you land when you are outside of the country without switching SIMs.
• Have a separate voice, text, and data plans.
• Smaller devices. eSIMs are smaller and don’t need bulky compartments. Those extra millimeters can mean huge gains in thinness for your phone or watch.
• Easily to guard eSIM. Users can check the status of eSIM at the platform of eSIM.

What are the disadvantages of eSIMs?

As much as we like eSIMs, and believe this is the way of the future, there are definitely some disadvantages that we have to face:

eSIM won’t work on older phones. Older phone models most probably do not have eSIMs, and you may have to pay a bit more for a newer model. Check out the list of all eSIM compatible devices here.

Data is more difficult to transfer. A physical SIM could store some contact details for you that would move with it as you switched it from one phone to another. With eSIMs, you will have to download and reupload that data.

What are the typical application of eSIM?

Infact all traditional SIMs installed can support eSIM if they are upgraded hardware to meet eSIMs. From cellphone to cellular routers, modems, DVR, cameras, etc.

If you are interested in a eSIM based router, you can visit www.e-lins.com to get more information for this.