What is the e-SIM? What is the difference between a normal SIM card and this one?

What is the e-SIM? What is the difference between a normal SIM card and this one?

If you’re considering a new iPhone or hoping to buy a Pixel 6, there’s a feature you might not know much about. It’s eSIM An eSIM is a smaller version of a traditional SIM card and resides in a phone or smart device that you use. But let’s see how an eSIM works and what are the benefits of having one.


An eSIM is an embedded SIM card. It is a replacement for the physical SIM card that currently connects phones to a mobile network, but the eSIM is much smaller.

The biggest difference between an eSIM and a physical SIM card is that an eSIM is attached to the motherboard of the phone or other device. You don’t need to attach it separately, nor can you remove it. This doesn’t mean you can’t change numbers or change carriers.

In fact, it’s easier to switch carriers or settle down. You don’t have to wait for a new SIM card to arrive; It can happen instantly with a quick phone call.

eSIM cards use the same technology and work on the same GSM networks. This functionality is very similar to the normal SIM card. To use an eSIM, you must have a phone that supports it. Most major carriers offer eSIM support, including AT&T and T-Mobile in the US, EE in the UK, and over 120 others worldwide.

eSIM cards are currently used to bring dual SIM capabilities to smartphones, including smaller devices such as the iPhone 12 and iPhone 13 lineup, Pixel 5, Pixel 5, Samsung Galaxy S21 Ultra, Samsung Galaxy S21+ 5G, and Apple Watch.

You connect most phones to a network by inserting the SIM card into the SIM tray. But if it does not use the card, how to connect an e-SIM phone.

It depends on what device you have and whether you bought it with a cellular plan or added it to your plan separately. If you buy the SIM card separately, you will get an eSIM activation card which contains a QR code that you need to scan on your phone. Currently, this e-SIM service is introduced in Bangladesh by Grameenphone company.

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