Cai Jing Wang·2025-09-10 14:34Core Viewpoint - The introduction of eSIM technology by major Chinese telecom operators is set to enhance mobile connectivity options, with China Unicom, China Telecom, and China Mobile preparing to launch eSIM services following Apple's announcement of the iPhone Air, which exclusively supports eSIM [1][3][4]. Group 1: Company Developments - China Unicom is leveraging the launch of the iPhone Air to initiate its eSIM card business, which is already operational for smartwatches and tablets [1][3]. - China Telecom has completed preparations for its eSIM mobile services and has submitted necessary documentation to the Ministry of Industry and Information Technology (MIIT) for commercial trial approval [1][4]. - China Mobile has also applied for eSIM services and will announce availability once it receives MIIT approval [2][4]. Group 2: eSIM Technology Overview - eSIM, or embedded SIM, differs from traditional SIM cards by being embedded directly into device chips, eliminating the need for physical SIM cards [2][5]. - eSIM technology allows devices to connect to local networks globally through apps or cloud services, ensuring optimal speed and coverage [2][5].