Qi Lu Wan Bao·2025-10-15 03:09Core Insights - eSIM technology has gained significant attention recently, with major Chinese telecom operators receiving approval for commercial trials of eSIM mobile services [1][9]. Group 1: eSIM Technology Overview - eSIM, or embedded SIM, is a virtual SIM card embedded directly into device chips, eliminating the need for physical SIM cards [2]. - eSIM functions similarly to traditional SIM cards, allowing devices to connect to networks for calls, texts, and data [2]. 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 waterproofing of devices [5]. - The integration of eSIM can reduce hardware costs, especially for wearable devices, making them more compact and efficient [5]. - Users can easily switch numbers online without visiting physical stores, streamlining the process of changing carriers or plans [5]. Group 3: Current Status and Support - China Unicom, China Mobile, and China Telecom have all received approval to begin eSIM mobile service trials, with millions of users already served [9]. - Currently, users must visit physical stores to activate eSIM services, as online processing is not yet available [6][7]. - Supported devices include eSIM phones from brands like Apple, Huawei, and OPPO, which will be available for sale soon [11].