CHINA MOBILE(SH:600941) Feng Huang Wang·2025-11-11 05:47Core Viewpoint - China Mobile has officially launched a significant upgrade to its Beidou SMS service, enhancing communication capabilities to include multimedia messaging such as images and voice, marking a new phase in Beidou communication [1] Group 1: Service Upgrade - The Beidou SMS service now supports the transmission of 40 Chinese characters for outgoing messages and 10 Chinese characters for incoming messages, improving text transmission capabilities [1] - The upgrade allows users to communicate through SMS, voice, and images even in extreme environments without ground network signals, providing communication support for emergency situations, outdoor adventures, maritime operations, and rescue missions in uninhabited areas [1] Group 2: Device Compatibility - The Redmi Note 15 Pro+ is the first smartphone to support the upgraded Beidou SMS service, with software updates already pushed to the device [1] - Other brand terminals are expected to receive upgrades in the near future, expanding the availability of the new features across different devices [1]