Sony Mobile
Sony’s mobile communications business and smartphone brand, best known for the Xperia series and its earlier Sony Ericsson heritage.
Last updated August 31, 2026
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Overview
Sony Mobile was Sony’s mobile communications business and the corporate successor to Sony Ericsson Mobile Communications. The business originated in a 2001 joint venture between Sony and Ericsson. Ericsson brought extensive experience in cellular handsets and telecommunications, while Sony contributed consumer-electronics, entertainment, imaging, audio and design capabilities. The partnership was created at a time when Ericsson was struggling to compete in consumer mobile phones and Sony was seeking a stronger position in cellular communications. Products were marketed globally under the Sony Ericsson name from 2001 until 2012. The joint venture became known for combining mobile connectivity with multimedia features. Its portfolio included conventional GSM phones, camera phones, music-oriented Walkman phones, business and touchscreen smartphones, and devices based on Symbian, UIQ, Windows Mobile and later Android. Notable products included the T610, K800i Cyber-shot, W810 Walkman, P800, Xperia X1, Xperia arc S, C905, Satio and Vivaz. Sony Ericsson also used its parent companies’ strengths in cameras, displays, music and industrial design to differentiate products in a market dominated by Nokia, Motorola, Samsung and later Apple. Sony acquired Ericsson’s 50 percent stake for approximately €1.05 billion in a transaction announced in October 2011 and completed in February 2012. The business was renamed Sony Mobile Communications, and its products were subsequently branded Sony rather than Sony Ericsson. Sony moved the mobile headquarters from Lund, Sweden, to Tokyo in January 2013 as part of a broader integration effort. The Xperia family became the central Sony handset line, while the business also developed Xperia tablets, Sony SmartWatch products and Sony SmartBand fitness devices. The company’s competitive position weakened during the transition from feature phones and Symbian-based smartphones to touchscreen Android devices. The iPhone and rapidly expanding Android competitors placed pressure on Sony Mobile’s scale, pricing and global distribution. Although Xperia models developed a reputation for display quality, cameras, audio, water resistance and distinctive elongated designs, Sony Mobile’s global smartphone share fell substantially from the Sony Ericsson period. The company increasingly concentrated on selected markets, including Japan and parts of Europe, and emphasized premium devices and Sony ecosystem integration rather than volume leadership. Sony Mobile also supported experimental and alternative mobile software initiatives. Sony released a Firefox OS development ROM for the Xperia E and later included Xperia devices in its Open Devices program, supporting community work around Sailfish OS. In 2020, Sony announced that its Mobile Communications business would be incorporated into Sony Electronics Corporation alongside other electronics businesses. Sony Mobile was subsequently superseded and integrated into Sony Corporation in 2021. Xperia products continued under Sony’s broader electronics structure, but Sony Mobile ceased to operate as a separate corporate entity.
History
Sony Mobile’s history begins with the mobile-phone activities of Ericsson and Sony. Ericsson had produced cellular handsets since the 1980s, while Sony was a relatively small participant in the global mobile-phone market at the beginning of the 2000s. Ericsson’s handset operation suffered from manufacturing disruption, intense competition and difficulty matching rivals’ lower-cost and more fashionable products. Sony, meanwhile, saw mobile communications as an opportunity to extend its consumer-electronics and entertainment expertise into a rapidly expanding category. The companies agreed to form Sony Ericsson Mobile Communications in 2001. Ericsson contributed most of its mobile-phone operation and Sony contributed its handset division. The new company was headquartered in London, with design operations in Lund and research and development facilities in several international locations. Its early products combined Ericsson’s telecommunications experience with Sony’s emphasis on cameras, music, color displays and design. The T68i was among the first GSM handsets released under the joint-venture brand. During the first years, Sony Ericsson faced losses and declining shipments, but the partnership improved its product identity and eventually returned to profitability. The company developed a series of influential products, including the T610, P800 UIQ smartphone, K700, K800i Cyber-shot camera phone and W800i Walkman phone. These products helped establish mobile photography and music playback as central consumer features before smartphones became dominant. Sony Ericsson later launched the P990 and other UIQ products, although UIQ and Symbian ultimately lost ground to newer touchscreen platforms. The company expanded its imaging credentials through higher-resolution camera phones. The K850i introduced a five-megapixel camera, the C905 pushed camera-phone resolution further, and the Satio presented a twelve-megapixel camera in 2009. Sony Ericsson also entered Windows Mobile with the Xperia X1 in 2008, followed by additional Xperia models. From 2010 onward, the company moved increasingly toward Android as the principal smartphone platform. The rise of Apple’s iPhone and Android manufacturers exposed the limits of the joint venture’s scale and software position. Sony Ericsson’s market share and profitability weakened after 2007, and the company introduced cost reductions, workforce cuts and facility closures. Although individual phones such as the Xperia arc S and C905 performed well in certain markets, the business no longer held the position it had reached during the feature-phone era. At its 2007 peak, the predecessor business was reported to have held about nine percent of the global mobile-phone market. In October 2011, Sony announced that it would acquire Ericsson’s interest for approximately €1.05 billion. The transaction was approved by the European Union and completed in February 2012. The business became Sony Mobile Communications, and Sony-only products adopted the Sony name. The Xperia S was among the first products associated with the new ownership structure. Sony subsequently phased out feature phones in favor of smartphones and moved the mobile headquarters from Lund to Tokyo in 2013. The Xperia Z generation, introduced in 2013, became central to Sony’s renewed smartphone strategy. Xperia devices emphasized high-resolution displays, Sony cameras and image processing, audio functions, water resistance and links to Sony’s entertainment businesses. Sony Mobile also expanded beyond phones through Xperia Tablet products, Sony SmartWatch devices and Sony SmartBand fitness trackers. The company participated in developer-oriented initiatives, including an experimental Firefox OS ROM and later support for Sailfish OS through its Open Devices program. Despite product differentiation, Sony Mobile’s global share continued to decline. It remained comparatively stronger in Japan and parts of Europe, but it fell out of the global top ten smartphone vendors during the mid-2010s. Sony responded by reducing its workforce, narrowing its geographic focus and prioritizing profitability per handset over shipment volume. In 2020, Sony announced the creation of Sony Electronics Corporation, which incorporated the Mobile Communications business with other electronics operations. Sony Mobile was ultimately integrated into Sony in 2021, while Xperia continued as a Sony product family rather than as the output of a standalone Sony Mobile company.
- 2021
Separate Sony Mobile business ends
[1]Sony Mobile was superseded and integrated into Sony Corporation.
- 2020
Mobile Communications moved into Sony Electronics
[1]Sony announced a corporate structure placing Mobile Communications within Sony Electronics Corporation.
- 2017
Sailfish support added to Open Devices program
[1]Sony included support for community development around Sailfish OS through its Open Devices initiative.
- 2013
Xperia Z generation introduced
[1]The Xperia Z and ZL marked a major phase of Sony’s Android smartphone strategy.
- 2012
Sony Mobile Communications formed
[1]Sony completed the acquisition, renamed the business and began selling mobile products under the Sony name.
- 2011
Sony agrees to buy Ericsson’s stake
[1]Sony announced the planned purchase of Ericsson’s half of the joint venture.
- 2009
Satio camera smartphone unveiled
[1]Sony Ericsson presented the Satio, a Symbian smartphone with a twelve-megapixel camera.
- 2008
Xperia X1 launches
[1]Sony Ericsson introduced its first Xperia-branded smartphone, the Windows Mobile-based Xperia X1.
- 2005
Walkman and Cyber-shot positioning expands
[1]The W800i and K750i demonstrated the company’s strategy of building mobile products around music and digital photography.
- 2002
P800 UIQ smartphone introduced
[1]The P800 became one of Sony Ericsson’s early smartphones using the UIQ interface and Symbian platform.
Products and positioning
Premium and upper-midrange mobile products emphasizing imaging, display, audio, entertainment integration, industrial design, water resistance and compatibility with Sony’s wider electronics ecosystem.
Mobile phone · 2003
Sony Ericsson T610
The T610 was an influential early Sony Ericsson handset, combining a compact design, color display and data features at a time when camera and multimedia functions were becoming important differentiators. It helped establish the joint venture as a significant consumer-phone brand.
Camera phone · 2006
Sony Ericsson K800i
The K800i used Sony’s Cyber-shot identity to present mobile photography as a principal product feature. Its camera-oriented hardware and imaging software made it one of the best-known Sony Ericsson products of the feature-phone period.
Music phone · 2005
Sony Ericsson W800i
The W800i was the first Walkman-branded Sony Ericsson phone and focused on portable music playback, dedicated music controls and a media-oriented user experience. It connected Sony’s established Walkman brand with mobile communications.
Smartphone · 2008
Sony Ericsson Xperia X1
The Xperia X1 was Sony Ericsson’s first Xperia smartphone. It ran Windows Mobile and used a panel-based Sony Ericsson interface, representing the company’s attempt to compete in the emerging premium smartphone segment before its full transition to Android.
Android smartphone · 2012
Sony Xperia S
The Xperia S was among the first smartphones released after Sony completed its acquisition of Ericsson’s stake. It represented the transition from Sony Ericsson branding to Sony branding and formed part of the company’s renewed Xperia-centered Android portfolio.
Premium Android smartphone · 2013
Sony Xperia Z series
The Xperia Z family became the main expression of Sony Mobile’s premium smartphone strategy during the 2010s. Models such as the Z, Z1, Z2 and Z3 emphasized high-resolution displays, camera technology, water resistance, audio and integration with Sony’s broader electronics and entertainment ecosystem.
Tablet
Xperia Tablet
Xperia Tablet products extended Sony Mobile’s device portfolio beyond smartphones. They used the Xperia name and were positioned as connected consumer devices for media consumption, communication and integration with Sony’s electronics ecosystem.
Smartwatch
Sony SmartWatch
Sony Mobile developed SmartWatch products as companion devices for smartphones. They provided notifications and other connected functions, broadening the mobile business into wearable electronics.
Fitness tracker
Sony SmartBand
SmartBand was Sony Mobile’s wearable and activity-tracking line. It complemented Xperia smartphones and reflected the company’s effort to build a wider connected-device portfolio around mobile computing.
Marketing campaigns
- 2005Sony Ericsson WTA Tour sponsorship
Global
Sony Ericsson became the global title sponsor of the women’s professional tennis tour in a six-year agreement. The circuit was renamed the Sony Ericsson WTA Tour, giving the brand broad international visibility beyond technology media.
Outcome. The tour carried the Sony Ericsson name during the sponsorship period.
Brand decisions
2020
Integrate Mobile Communications into Sony ElectronicsStrategyBackground
Sony was reorganizing its electronics businesses to coordinate product development, engineering, manufacturing, logistics, procurement and global sales.
Action taken
Sony announced Sony Electronics Corporation as an intermediate holding company incorporating Mobile Communications and other electronics businesses.
Aftermath
Sony Mobile ceased to function as a separate corporate business and was ultimately integrated into Sony in 2021.
2014
Restructure and reduce mobile operationsStrategyBackground
Sony Mobile faced declining global share, intense Android competition and weaker financial performance.
Action taken
Sony announced a substantial impairment associated with the mobile division and further workforce reductions.
Aftermath
The business narrowed its focus and increasingly prioritized selected markets and profitability per handset.
Impairment charge. Approximately €1.3 billion (2014)
2012
Phase out feature phonesStrategyBackground
The company was repositioning around smartphones as the mobile market shifted from conventional handsets toward touchscreen operating systems and app ecosystems.
Action taken
Sony Mobile announced that it would phase out non-smart feature phones in favor of smartphones by September 2012.
Aftermath
The Xperia family became the principal handset platform under the Sony brand.
2011
Acquire Ericsson’s stake in the joint ventureM&ABackground
Sony Ericsson was under pressure from the rapid growth of the iPhone and Android manufacturers, while Sony sought direct control over mobile products and their relationship with its other consumer businesses.
Action taken
Sony agreed to purchase Ericsson’s 50 percent interest for approximately €1.05 billion and make the mobile business wholly owned.
Aftermath
The transaction was completed in February 2012, and the business was renamed Sony Mobile Communications.
Purchase price. Approximately €1.05 billion (Announced October 2011; completed February 2012)
Recent events
Reported
Sony Mobile extends Xperia 10 III purchase-gift promotion[2]
Sony Mobile extended the Xperia 10 III purchase-gift promotion through July 31, 2021. Eligible buyers who purchased through an Xperia 10 III sales channel and registered online during the promotion period could receive a gift bundle.
Reported
Sony Mobile announces Xperia 10 III 5G smartphone[3]
Sony Mobile announced the Xperia 10 III, a 5G smartphone with water- and dust-resistance features, in Taiwan.
Reported
Sony Xperia 10 II goes on sale in Taiwan[4]
Sony Mobile began selling the Xperia 10 II in Taiwan on May 19, 2020, earlier than its originally planned May 20 sale date.
Sources4 sources
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