The eSIM works precisely as a SIM card.ĮSIM specifications (data format and security mechanisms in particular) are standardized to allow interoperability and enable remote SIM provisioning of any mobile device.ĮSIMs are found in a wide range of consumer products such as smartphones, wearables, and computers.
The SIM (Subscriber Identity Module) credentials, necessary to sign on to our preferred carrier's cellphone network, are downloaded.The chip and its super secure software come embedded inside the phone.It's rewritable and compatible with all leading carriers. We're all familiar with the SIM card that we have to pop out from our previous phone and insert into our new device to get wireless service.ĮSIM has become a generic term used worldwide to describe a new vector of mobile connectivity for consumers and IoT devices in just a few years.Īs its name suggests, the embedded SIM card or eSIM is built into the phone's board. #1 What is an eSIM? What's the difference between SIM and eSIM? We suggest your download our "What is eSIM: 6 illustrated answers" infographic. Download the full infographic (PDF) if you don't have time to read this page.
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