China unicom announced the nationwide launch of eSIM
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China unicom announced the opening of eSIM for the first time in the country, which means eSIM will enter the public eye on a large scale.
29, China unicom announced the first national eSIM, which means that eSIM will enter the public eye on a large scale.

Speaking of SIM card, it almost occupies the most important position in the history of mobile phone development. It is natural to buy a mobile phone and go to the business hall to get a card. However, with the advent of 5G, traditional SIM CARDS can no longer meet the public's demand for intelligent life. In this case, eSIM CARDS are applied.

What are the benefits of eSIM? First, it can solve the problem that SIM card slot takes up a lot of space. Although the SIM card is now very small, with the trend of thinner and thinner phones, the card slot will restrict the shape design and battery capacity of the phone or wearable device.

At present, eSIM technology has been applied in wearable devices, such as smart watches and smart companions, and it will be widely used in electronic products such as the Internet of vehicles and industrial Internet of things in the next step.

ESIM is also supported at the policy level. In June 2017, the general office of the ministry of industry and information technology (miit) issued a notice on comprehensively advancing the construction and development of the mobile Internet of things (nb-iot), noting that the research on the application scheme of eSIM/ soft SIM in nb-iot networks should be accelerated.
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