eSIM is a global specification by the GSMA which enables remote SIM provisioning of any mobile device. eSIM now allows consumers to store multiple operator profiles on a device simultaneously, and switch between them remotely, though only one can be used at a time.
Remote provisioning means much smaller devices can be supported. The first products have already come to market, and we can expect to see many further launches in 2018: it is now easier to extend mobile connectivity to devices such as tablets, smart watches, fitness bands, portable health systems and various other devices.
eSIM is the only globally-backed remote SIM specification for consumer devices. This universal approach will grow the Internet of Things by allowing manufacturers to build a new range of products for global deployment based on this common embedded SIM architecture.
Consumer benefits include:
simpler device setup without the need to insert or replace a SIM card;
devices that can operate independently of a tethered smartphone, with their own subscriptions;
a range of new, enhanced mobile-connected devices.
references:
https://www.gsma.com/esim/
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