What is an eSIM?
An embedded SIM (Subscriber Identity Module) is simply known as eSIM or embedded Universal Integrated Circuit Card (eUICC). As the name mentioned, eSIM is a non-replaceable embedded chip in a smart phone.
Non Removable SIM Card
An e SIM is non-removable and attached with other internal components of a smart phone or smart watch. As it is not a physical SIM card, it is not possible to remove the same from phone or the device.
Mobile Network and eSIM
E SIM needs to be supported by the network or carrier who providing the e sim compatible network and enabled by them. An e SIM is basically a small chip inside your phone and works in a similar way to the NFC chip inside your phone.
Benefits of an eSIM
How it is easy to Change the SIM data?
The information or the data on an e SIM is re writable. Which means the user can decide to change operator with a simple phone call. They’re really easy to add to a data plan – connecting devices with e SIMs to a mobile account can be done in minutes.
Size of the e SIM
One of the advantages of an e SIM is that it’s absolutely tiny, just a small fraction the size of a Nano SIM. And they’re only the size of a nail. This is what makes it so well-suited to ultra-compact gadgets like watches, which simply don’t have the room for a normal SIM.
Easy to Change the Service Provider
With such an embedded standard, the idea is that you can switch to a new operator without having to insert a specific SIM card. It’s all done through software.
Share your number with multiple device
One of the most interesting aspects of the Watch’s e SIM is that it’ll share your iPhone’s number. You can think of them as part of the same connection.