What is eSIM ? and why it is important ,check here

Image result for sim wallpaper
Here friends, an e sim is an advanced type of sim in which, it have small chips than other 
older version we can say.
In recent weeks Google and Apple brought the eSIM into the spotlight by including it within their latest product launches, the Google Pixel 2Google Pixel 2 XL and the Apple Watch Series 3 with Cellular.
The eSIM gives us an improved and more secure customer experience, better designed devices, opens up new market opportunities for operators and enables entire new categories of connected devices. Let's explore this baby in a little more detail.
The eSIM/Embedded SIM, or as it's more formally known, embedded Universal Integrated Circuit Card (eUICC), is smaller again at 5 mm in length and 5 mm in width and is soldered onto a device's motherboard at the point of manufacturing while having the same functionality as a removable SIM. It has M2M (Machine to Machine) and Remote Provisioning capabilities. Now a GSMA standard, it wont be long before we see the eSIM become standard in other top tier handsets from Apple and Samsung, quickly followed by the others.
Ultimately take it easy, let's see,
SIM (Subscriber Identity Module) cards store network-specific information used to authenticate and identify subscribers on a cellular network and for the last 27 years have consisted of a physical card containing the chip which has to be inserted into the phone.
You may or may not remember, but in 1991, the SIM card that you inserted into your phone was the size of a credit card! In the intervening years the size of the humble SIM card has dramatically reduced.
As manufacturers continuously strive to make smaller, slimmer and lighter devices with more features, space is at an absolute premium. Even the humble headphone jack is starting to disappear to save precious millimeters, though the cynics among us may say that is to up-sell wireless headphones.
Surely the Nano-SIM, which at 12.30 mm in length and 8.80 mm wide is small enough? Yet, as an industrial designer, you have to remember that it's not only the size of the SIM card itself but also the space taken up by the associated internal hardware and circuitry that needs to be accommodated. For many years, manufactures have had to design and accommodate the physical SIM card via SIM card trays or other internal slots. In the quest for more durable and waterproof phones, the more ingress points that can be removed the better.
More importantly, if you want to change operator either after your contract has ended or you're traveling on holiday, you have to go and seek out a new SIM. In certain parts of the world, that's easier said than done.

It's all changing though. In the last few years Apple introduced the Apple SIM for use in iPad and as we led with, Google and Apple has included an eSIM as part of its new product launches.

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