中国联通、中国移动、中国电信集体官宣

Core Insights - The three major telecom operators in China, China Unicom, China Mobile, and China Telecom, have officially received approval to conduct commercial trials for eSIM mobile services [1][2]. Group 1: eSIM Overview - eSIM, or embedded SIM, is integrated directly into the device's chip, eliminating the need for a physical SIM card [3][4]. - eSIM functions similarly to traditional SIM cards, allowing devices to connect to the internet, make calls, and send messages [3]. Group 2: Advantages of eSIM - eSIM is significantly smaller than traditional SIM cards, occupying only 10% of the space, which allows for better design and increased waterproofing of devices [5]. - The integration of eSIM can reduce costs, especially for wearable devices, as it allows for more compact designs [5]. - Users can easily switch numbers online without visiting physical stores, streamlining the process of changing carriers or plans, referred to as "over-the-air provisioning" [5]. - eSIM eliminates the risk of physical damage to SIM cards and facilitates easier switching to local carriers while traveling, avoiding roaming charges [5].