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Core Viewpoint - Sony Mobile has quietly exited the Chinese market, marking the end of a long struggle due to its inability to adapt to local consumer preferences and competition [4][5][15]. Group 1: Historical Performance - Sony Mobile's peak in China was during the Sony Ericsson era from 2005 to 2010, where it was popular among young consumers with innovative features like high-resolution cameras and music capabilities [7]. - The introduction of the Xperia brand initially performed well, ranking among the top five in shipments in 2011, but faced increasing competition from local brands like Huawei and Vivo [9]. - By 2016-2018, local brands surged ahead, and despite releasing flagship models like the XZ Premium, Sony's high pricing and lack of local adaptation led to a decline in market presence [11][12]. Group 2: Strategic Missteps - Sony's "One Sony" strategy aimed to integrate its various business units to enhance the mobile division, but it failed to translate into success for Xperia, which continued to struggle globally [18][19]. - The Xperia brand has been marginalized in key markets, with its share in Japan dropping significantly and remaining below 2% in Europe and nearly nonexistent in North America [21]. Group 3: Market Dynamics - The shift to AI-driven smartphones has further diminished Sony's competitive edge, as local brands have integrated advanced AI features into their devices, while Sony has not established a clear strategy in this area [22]. - Apple's success in China is attributed to its comprehensive ecosystem and local adaptations, which Sony has lacked, particularly in software and system experience [22][24]. Group 4: Future Outlook - Sony Mobile's global market share has hovered around 0.2%-0.3% over the past five years, indicating that the mobile division has become more of a technology showcase rather than a profitable business [27]. - The mobile image sensor business, which dominates over 50% of the global market, relies on Xperia as a testing platform for new technologies, raising concerns about the brand's future if this need diminishes [27][29]. - The potential for Sony to exit the global mobile market remains uncertain and will depend on future developments [30].