雷军：小米的本行是做智能手机，所以电子电气架构是小米强项

Core Viewpoint - Xiaomi's founder and CEO Lei Jun announced the launch of the YU7 model, which features a self-developed four-in-one domain control module for its electronic and electrical architecture, emphasizing Xiaomi's strength in smartphone technology [2][5]. Group 1: Product Features - The new electronic and electrical architecture addresses a significant issue related to signal coverage in underground areas, which was a problem in the previous SU7 model [3][6]. - By utilizing the dual SIM functionality, users can install two SIM cards (one from China Telecom and one from China Mobile), significantly improving signal coverage in basements [3][6].