Core Viewpoint - The article discusses the temporary suspension of mobile phone cards due to anti-fraud measures and provides recovery guidelines from the four major telecom operators in China. Group 1: China Telecom - Online channels: Users can process recovery through public accounts, mini-programs, and online service halls (specific methods can be found in the verification notification SMS) [1][17] - Offline channels: Users can bring their ID and phone card to any China Telecom service hall nationwide (specific locations can be queried via local 10000 service) [1][17] Group 2: China Mobile - Online channels: Users can click the link in the notification SMS or call the 10086 customer service hotline for self-service recovery (specific methods can be found in the verification notification SMS) [2][18] - Offline channels: Users can bring their ID and phone card to any China Mobile service hall nationwide (specific locations can be queried via local 10086 service) [2][18] Group 3: China Unicom - Online channels: Users can apply for recovery by searching for the "self-service recovery" interface on the China Unicom app homepage or through public accounts and mini-programs (specific methods can be found in the verification notification SMS) [3][19] - Offline channels: Users can bring their ID and phone card to any China Unicom service hall nationwide to complete real-person authentication [4][19] Group 4: China Broadcasting Network - Online channels: Users can download the China Broadcasting Network app via the link in the notification SMS and complete recovery after passing the identity verification. The app usage does not incur data charges [5][20] - Offline channels: Users can visit any China Broadcasting Network service hall, providing their ID and the phone card for real-person authentication to complete recovery [5][20]

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Core Viewpoint - China Unicom is actively integrating digital economy with real economy by enhancing customer service and launching various themed activities, notably the "Unicom Customer Day" which has received positive feedback [1][8]. Group 1: Customer Engagement Initiatives - China Unicom's Shandong branch launched over 40 themed activities focusing on public education, smart experiences, and interactive fun, embodying the mission of "People's Postal and Telecommunications for the People" [1]. - In Zibo, Unicom staff transformed into "safety instructors" for the elderly, educating them on new fraud tactics through relatable examples, which was well-received by participants [2]. - The "Customer Day" initiative serves as a bridge between the company and the community, aiming to enhance service quality and reach more households [8]. Group 2: Smart Home and Technology Experience - In Jinan, Unicom showcased smart home technology, allowing visitors to control devices via voice commands, which impressed attendees, especially children [4]. - The event featured various technology experience zones, including cloud services, where business customers noted significant efficiency improvements [4]. Group 3: Online and Offline Service Integration - Unicom's staff provided hands-on training for elderly customers on using smart devices, resulting in increased customer satisfaction and engagement [6]. - The company expanded its "Customer Day" activities to online platforms, achieving over 5,000 views in a single session and a 60% increase in offline inquiries [6]. - Feedback collection through surveys in various branches yielded over 120 actionable suggestions, reflecting customer trust and service expectations [6].