What Is ESIM And How It Work In Smartwatch

By: Rahul Makwana

eSIM is basically a virtual sim card that you can’t put inside a smartwatch or smartphone, to get eSIM functionality, you will have to contact your Sim provider (ex; Airtel, AT&T, etc) and they will activate the eSIM on your device.

What is ESIM

If you have Cellular Smartwatches then you can use your existing SIM card on your smartphone as well as a smartwatch, just contact the SIM provider and they will duplicate your existing SIM Card and you will be able to use the internet and make calls directly from the smartwatch without the help of a smartphone.

How does eSIM work in a Smartwatch?

You know how physical SIM Cards come with the chip, In the same way, smartwatch manufacturers add the same chip inside the smartwatch which has the ability to contain all the details from numbers, contacts, calls, and more.

The only thing you have to do is to contact the SIM Card provider and tell them you want to enable ESIM functionality on your existing SIM Card and they happily duplicate your existing SIM Card and activate the same number in your smartwatch.

By the way, you can recharge the eSIM as you like, it will work the same way as a physical SIM. The functionality or even recharge plans won’t change, everything will remain the same, it’s just that, you’re using a virtual sim card.

Should You Buy Smartwatch with eSIM?

It depends on what you’re looking for, if you feel I don’t want to use my smartphone too often then you can give try to eSIM smartwatch which will do everything for you from calling, massaging, payment and even you can use maps too.

At the same time, you can also disable the eSIM functionality and use the eSIM smartwatch as a normal smartwatch.

Again, eSIM smartwatches are expensive, so if you have money then give it a try otherwise, a Bluetooth calling smartwatch is sufficient enough for day-to-day life.


eSIM is getting popular day by day and after the launch of the iPhone 14, other brands will adopt the eSIM and after some years, physical SIM will disappear, just like a 3.5mm audio jack.