The virtual SIM card or eSIM could reach the general public in late 2017 or early 2018, and has established the mobile phone industry. Internet
on February 22, during the Mobile World Congress (MWC) to be held in Barcelona, the World Association of Telecommunications Operators (GSMA) announced the technical specifications and security measures eSIM .
the eSIM is a virtual card preinstalled hardware within the cell where a profile that contains user data and telephone number, which can be downloaded into any cell supports a eSIM be created. With this, users have the ability to change phone company almost instantly. Thus, current SIM cards will become obsolete.
This change will help users who travel abroad and they have to pay roaming costs, as may receive offers from foreign companies with local rates and not they are required to hire the service with a national operator.
currently, telephone companies made the first pilot eSIM testing equipment M2M (machine to machine) with cars, security systems and some models of smart watches .
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