ESIM card, namely Embedded-SIM, embedded SIM card. The concept of eSIM card is to embed the traditional SIM card directly into the device chip, instead of adding it to the device as an independent detachable component, so the user does not need to insert a physical SIM card. This will allow users to choose carrier packages more flexibly, or change carriers at any time without unlocking devices or buying new devices. In the future, the establishment of universal eSIM standard will save more mobile device use costs for ordinary consumers and enterprise users, and bring more convenience and security.
On March 7th, 20 18, China Unicom announced that it was officially the first to launch in six cities: Shanghai, Tianjin, Guangzhou, Shenzhen, Zhengzhou and Changsha? ESIM-1 dual terminal? Business processing. On may 25th, China mobile IOT company officially launched the smart IOT China mobile Inside plan, and released the first domestic eSIM chip, providing? Chip +eSIM+ connection service? .