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The article explains the current status of eSIM dual‑device services for Android and Apple smartwatches in China, outlines pricing and usage details, describes the underlying technology and recent security vulnerabilities, and discusses the broader future prospects of eSIM in IoT and telecom.
The article explains what eSIM is, its evolution from traditional SIM cards, Apple’s adoption, the recent suspension of eSIM services by China Mobile, Unicom and Telecom, and discusses potential bugs, security risks, and consumer advice regarding eSIM-enabled wearables.
The Ministry of Industry and Information Technology outlines China’s current eSIM research and promotion efforts, highlights its benefits for devices, and explains regulatory, security, and operator challenges that delay eSIM adoption in smartphones, while noting existing IoT and smartwatch deployments.
Apple plans to remove the physical SIM slot from certain iPhone 14 models in favor of eSIM, citing space savings, design simplification, and future-proofing, while highlighting security concerns, the impact on Chinese consumers, and the broader implications for the smartphone industry.
This article explains the architecture of 360's search advertising system, detailing its ad recall, ranking, and display modules, illustrates exact‑match and semantic recall methods with a case study, and reviews the evolution from feature‑engineered GBDT models to deep learning approaches such as DSSM, ESIM, and BERT, including data preparation, training, and performance evaluation.