Cai Jing Wang·2025-10-15 05:36Core Viewpoint - The three major telecom operators in China, China Telecom, China Mobile, and China Unicom, have officially launched eSIM mobile services nationwide after receiving approval from the Ministry of Industry and Information Technology [1] Group 1: Service Launch - China Telecom has announced that eSIM mobile services are now available for consumers, who can activate the service either in-store or through an app for online reservations [1] - China Mobile will provide a full range of eSIM product support, extending beyond mobile phones to include smartwatches, tablets, and in-car devices, enabling seamless connectivity across multiple devices and scenarios [1] Group 2: Technology Overview - eSIM technology integrates the functionality of a physical SIM card into a built-in chip within the phone, allowing users to download their phone number over the air without needing a physical SIM card [1] - eSIM-enabled phones offer the same communication services as traditional SIM card phones, including voice calls, data access, and SMS [1]