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Tizen screenshot en original.png
Tizen 2.2 beta screen on a smartphone (2013)[1]
Developer Linux Foundation, Tizen Association, Samsung, Intel
Written in HTML5, C, C++
OS family Unix-like, Linux
Working state Current
Source model Operating system: Open source
SDK: Closed-source
Initial release 5 January 2012; 6 years ago (2012-01-05)
Latest release

3.0 / 20 May 2017; 7 months ago (2017-05-20)[2]

Upcoming version=4.0
Latest preview 3.0
Marketing target tablets, smartphones, GPS smartnav, in-vehicle infotainment, smart TV, wearable computing, Samsung Smart Home
Package manager RPM Package Manager
Platforms ARM and x86
Kernel type Monolithic kernel
Default user interface Graphical (Native and Web applications)
License Operating system: GPLv2, LGPL, Apache License, BSD, Flora License
SDK: Freeware
Official website www.tizen.org

Tizen (/ˈtzɛn/) is a mobile operating system based developed by Samsung. Tizen works on a wide range of Samsung devices such as smartphones, tablets, in-vehicle infotainment (IVI) devices, smart TVs, PCs, smart cameras, wearable computing (such as smartwatches), Blu-ray players, printers and smart home appliances[3] (such as refrigerators, lighting, washing machines, air conditioners, ovens/microwaves and robotic vacuum cleaners[4]).


Tizen and the mobile software distributions it is related to
Predecessors of Tizen

The roots of Tizen date back to 2007 with the creation of the LiMo Foundation. The LiMo project resulted in the LiMo Platform in 2009 but it was unsuccessful against rival open source platforms from the Open Handset Alliance (led by Google) and Symbian Foundation (led by Nokia). In 2010 Samsung was developing the Samsung Linux Platform (SLP) for the LiMo Foundation, whilst Intel and Nokia were leading the MeeGo project, another open source Linux mobile OS.[5] In 2011 the MeeGo project was abandoned by its peers with Intel joining forces with Samsung to create Tizen, a new project based on code from SLP. The Linux Foundation also cancelled support of MeeGo in favor of Tizen. Later in 2013 Samsung merged its homegrown Bada project into Tizen.[6]

The Tizen Association was formed to guide the industry role of Tizen, including requirements gathering, identifying and facilitating service models, and overall industry marketing and education.[7] Members of the Tizen Association represent major sectors of the mobility industry, from numerous areas of the world. Current members include telecommunications network operators and electronics manufacturers: Fujitsu, Huawei, Intel, KT, NEC Casio, NTT DoCoMo, Orange, Panasonic, Samsung, SK Telecom, Sprint and Vodafone.[8] While the Tizen Association decides what needs to be done in Tizen, the Technical Steering Group determines what code is actually incorporated into the operating system to accomplish those goals.

Samsung is the only Tizen member incorporating and developing the operating system, increasingly distributing it to its products. As of 2016 Samsung is planning on making Tizen its main operating system on all smartphones, replacing Android.[9] As of Q1 2017 Tizen is second largest smartwatch platform, behind watchOS and ahead of Android Wear.[10]


Tizen comes from a long history of Linux adoption by manufacturers - mostly from Intel and Nokia. A complete family tree is available.[11]

Samsung's collaboration with the EFL project, and especially Carsten Haitzler, was known as LiMo for years. It was renamed Tizen when Intel joined the project in September 2011, after leaving the MeeGo project. A common misconception is that Tizen is a continuation of MeeGo. In fact, it builds on Samsung Linux Platform (SLP), a reference implementation delivered within LiMo.[12]

On January 1, 2012, the LiMo Foundation was renamed Tizen Association. The Tizen Association is led by a Board of Directors from Samsung, Intel, Huawei, Fujitsu, NEC, Panasonic, KT Corporation, Sprint Corporation, SK Telecom, Orange, NTT DoCoMo, and Vodafone. The Tizen Association works closely with the Linux Foundation, which supports the Tizen open source project.[13]

On May 7, 2012, American wireless carrier Sprint Nextel (now Sprint Corporation) announced it had agreed to become part of the Tizen Association and planned to include Tizen-powered devices in their future lineup.[15]

On September 16, 2012, the Automotive Grade Linux Workgroup announced it will work with the Tizen project as the reference distribution optimized for a broad set of automotive applications such as instrumentation cluster and in-vehicle-infotainment (IVI).[16]

  • On September 25, 2012, Tizen released version 2.0 alpha, code-named Magnolia.[17] It offered an enhanced web-based framework with more features, better HTML5/W3C API support and more device APIs, multi-process WebKit2-based web runtime and better security for web applications. Support for OpenGL ES has been enhanced. Newly added platform SDK has been provided to help with platform development based on Open Build Service (OBS).
  • On February 18, 2013, Tizen released version 2.0, code-named Magnolia.[18] Apart from further enhancements of the web frameworks and APIs, native application framework with integrated development environment and associated tools have been added supporting features such as background applications, IP push, and text-to-speech. Inclusion of this framework is an effect of the expected merging parts of the Open Services Platform (OSP) framework and APIs of the Bada operating system with the Tizen platform.

In April 2013, Samsung announced Tizen Port-a-thon. This campaign supports Bada developers' early entry into the Tizen market by providing technical support and incentives.[19]

  • On May 17, 2013, Tizen released version 2.1, code-named Nectarine.[20]

In July 2013, Samsung announced Tizen App Challenge, with over US$4 million in cash prizes.[21]

  • On July 22, 2013, Tizen released version 2.2.[22]
  • On November 9, 2013, Tizen released version 2.2.1.[23]

On May 14, 2014, it was announced that Tizen:Common would ship with Qt integrated.[24] This marks the ability for Tizen to support Qt native apps.

  • On November 8, 2014, Tizen released version 2.3.
  • On September 4, 2015, Tizen released version 2.3.1.
  • On October 22, 2015, Tizen released version 2.4.
  • On November 1, 2017, Tizen released version 4.0 Public M2.[27]

After joining the .Net Foundation Steering Group in June 2016, Samsung announced in November 2016 that they would be collaborating with Microsoft to bring .Net support to Tizen.[28]


Samsung Galaxy Gear smartwatches use Tizen as their operating system.[29]

Allegedly, the first Tizen devices were planned for the second half of 2012.[30] Samsung then clarified that first quarter of 2013 was not a date of actual product launch, but of demonstrations at Mobile World Congress.[31] Tizen services made by Samsung were said to ship in 2013, perhaps in August or September,[32][33] then replaced to "Later in 2013",[34][35] and then perhaps in early 2014.[36]

In May 2013, Samsung released the firmware source code for their NX200 and NX300 cameras,[37] the architecture of the code being based on Tizen.

The first week of October 2013, Samsung's NX300M smart camera became the first consumer product based on Tizen; it was sold in South Korea for a month before its OS was revealed at the Tizen Developer Summit,[38][39][40] then became available for pre-order in the United States in early 2014 with a release date of March 1. The first Tizen tablet was announced by Systena in June 2013, a 10-inch quad-core ARM with 1920×1200 resolution that was eventually shipped in late October 2013 as part of a development kit exclusive to Japan.[41][42][43] The Samsung Gear 2 smartwatch, released in April 2014, and Samsung Gear Fit 2, released in June 2016, use Tizen.[44]

In February 2014, the Samsung Gear 2 and Gear 2 Neo smartwatches were unveiled, and released in April, running Tizen instead of Android as the original Galaxy Gear.[45] On May 31, 2014, Samsung released an update for the original Galaxy Gear, switching the operating system to Tizen.

Samsung announced its first circular smart watch, the Samsung Gear S, on August 28, 2014. The device is capable of making calls and sending SMS messages. On September 15, 2014, Samsung released the Samsung NX1, a high-end camera that also uses Tizen.[46]

On January 14, 2015, the Samsung Z1, a low-cost smartphone using Tizen, was introduced in India[47] and later Bangladesh, and in mid May 2015 Sri Lanka was indicated.[48] Z3 of the same series was released in October.

Samsung announced the Gear S2 on September 1, 2015, also powered by Tizen.[49]

On October 14, 2015, Samsung unveiled the second Tizen smartphone, Samsung Z3 (SM-Z300H) in Gurgaon, India, with higher specifications and additional features than the Z1.[50]

Samsung continues to promote Tizen with new devices. On February 21, 2016, it announced the Samsung Connect Auto, a connected car solution offering diagnostic, Wi-Fi, and other car-connected services. The device plugs directly into the OBD-II port underneath the steering wheel.[51]

On June 3, 2016 Samsung unveiled the next generation Gear Fit fitness band, the Samsung Gear Fit 2. The sport band provides users with accurate auto-tracking and other fitness features such as a pedometer, S Health support, and a heart rate monitor. Along with the Gear Fit 2, Samsung also introduced the Gear Icon X, a pair of cord-free earbuds. They are said to run the Tizen OS.[52]

On August 23, 2016, Samsung unveiled its third smartphone powered by the Tizen operating system in India, the Samsung Z2. It is an entry level smartphone with 4G support; the device has a 1.5 GHz Quad-core processor, 1GB RAM and 8GB internal memory. It features Ultra Data Saving mode, S bike mode and the new My Money Transfer app.[53]

On May 15, 2017 Samsung unveiled its fourth smartphone powered by the Tizen operating system in India, the Samsung Z4, which launched in India and comes with a 4.5 inch LCD display which is protected by 2.5D curved glass. It has 1GB of RAM, a 1.5Ghz Quad-Core ARM Cortex A7-based Spreadtrum processor (SC9830A), 8GB of ROM, 5 MP rear camera with dual flash and 5MP front camera with flash. The Z4 runs on Tizen 3.0.

Security risks[edit]

On April 3, 2017, Vice reported on its "Motherboard" website that Amihai Neiderman, an Israeli security expert, has found more than 40 zero-day vulnerabilities in Tizen's code, allowing hackers to remotely access a wide variety of current Samsung products running Tizen, such as Smart TVs and mobile phones.[54] Only after the article was published did Samsung, whom Neiderman tried to contact months before, reach out to him to follow up on the report.[54]

System architecture[edit]


Tizen provides application development tools based on the JavaScript libraries jQuery and jQuery Mobile. Since version 2.0, a C++ native application framework is also available, based on an Open Services Platform from the Bada platform.

The software development kit (SDK) allows developers to use HTML5 and related web technologies to write applications that run on supported devices.

Open environment[edit]

The Core Mobile Web Platform Community Group[59] (Coremob) brought developers, equipment manufacturers, browser vendors and operators together to agree on core features developers can depend on. The group closed in September 2013 and work was moved to the Web and Mobile Interest Group,[60] which was closed in November 2015.

HTML5 applications run on Tizen, Android, Firefox OS, Ubuntu Touch, Windows Phone, and webOS without a browser.

In late January 2013, Tizen 2.0 scored highest at the time in an HTML5 test of any browsers.[61] As the old HTML5 tests were phased out on 13 November 2013, Tizen 2.2 fell below BlackBerry 10.2 at 494 out of 555 points.[62] However, as of 2013 desktop browsers had regained the advantage, and results for Tizen 2.2 on a Samsung device score highest overall in mobile, with a score of 497 points.[63]

Tizen IVI (In-Vehicle Infotainment) is an operating system from the Automotive Grade Linux Workgroup.[16] It is PC-compatible.[citation needed]

Applications based on Qt, GTK+ and EFL frameworks can run on Tizen IVI.[64] While there is no official support for these third-party frameworks, according to the explanation on the Tizen SDK website,[65] Tizen applications for mobile devices can be developed without relying on an official Tizen IDE as long as the application complies with Tizen packaging rules. In May 2013, a community port of Qt to Tizen focused on delivering native GUI controls and integration of Qt with Tizen OS features for smartphones.[66] Based on the Qt port to Tizen, Tizen and Mer can interchange code.[citation needed]

Licensing model[edit]

Tizen's open governance model was created through public input, suggestions, criticism, or participation, of Tizen 2.0.[67][68] By early 2014 cross-licensing among hardware manufacturers was happening[69] more broadly. Extending open source software and patenting the extension is an option that most open source licenses do not restrict.

The operating system consists of many open source components. A number of components internally developed by Samsung (e.g., boot animation, calendar, task manager, music player applications) are, however, released under the Flora License, essentially a BSD- or Apache-style license except granting patents to "Tizen Certified Platform" only.

Flora is not approved by the Open Source Initiative.[70] Therefore, it is unclear[citation needed] whether developers can legally use the native application framework and its graphical components to make GPL applications. Source code access is guaranteed however.

Its SDK is built on top of open source components,[71] but the entire SDK is copyrighted by Samsung Electronics and under a non-free EULA.[72]

See also[edit]


  1. ^ "Tizen UI Overview". 
  2. ^ "Tizen 3/0 SDK Release Notes". 
  3. ^ "Samsung show off Tizen TV". 
  4. ^ "Tizen Target Market". 
  5. ^ https://www.slashdata.co/blog/2011/10/from-meego-to-tizen-the-making-of-another-software-bubble
  6. ^ Saxena, Anupam. "Samsung to finally merge Bada with Tizen". NDTV Gadgets. NDTV Convergence Limited. Retrieved April 11, 2014. 
  7. ^ "About Tizen". 
  8. ^ "Tizen FAQ" (PDF). 
  9. ^ https://fossbytes.com/samsung-replacing-android-with-tizen-os/
  10. ^ http://www.criticalhit.net/technology/tizen-overtaken-android-smartwatch-market/
  11. ^ "tizen-history/tizen-history.pdf at master · kumadasu/tizen-history · GitHub" (PDF). Github.com. August 28, 2012. Retrieved November 22, 2012. 
  12. ^ "[General] What is the scope of Tizen?". Lists.tizen.org. September 29, 2011. Retrieved March 27, 2013. 
  13. ^ "Sprint News - Sprint Joins Tizen Association, Adds to its Board of Directors". Embedded-m2m-solutions.tmcnet.com. May 7, 2012. Retrieved November 22, 2012. 
  14. ^ "Tizen 1.0 Larkspur SDK and Source Code Release". Tizen.org. Retrieved November 22, 2012. 
  15. ^ Wallace, Kristen. "Sprint Joins The Tizen Association". Sprint Newsroom. Retrieved January 28, 2013. 
  16. ^ a b "Automotive Grade Linux". Automotive.linuxfoundation.org. Retrieved November 22, 2012. 
  17. ^ "Tizen 2.0 Alpha SDK and Source Code release". The Tizen Technical Steering Group. September 25, 2012. Retrieved October 4, 2012. 
  18. ^ "Tizen 2.0 Magnolia SDK and Source Code Release". Tizen.org. Retrieved February 19, 2013. 
  19. ^ "Tizen Port-a-thon". tizenportathon.com. 
  20. ^ "Tizen 2.1 SDK and Source Code Release". Tizen.org. 
  21. ^ "Tizen App Challenge". tizenappchallenge.com. 
  22. ^ "Tizen 2.2 SDK Release". Tizen.org. 
  23. ^ "Tizen 2.2.1 Platform Release". Tizen.org. 
  24. ^ "Tizen:Common to Ship with Qt Integrated". tizenexperts.com. 
  25. ^ https://source.tizen.org/release/tizen-3.0-milestones
  26. ^ https://developer.tizen.org/tizen/release-notes/tizen-4.0-public-m1
  27. ^ https://developer.tizen.org/tizen/release-notes/tizen-4.0-public-m2
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  37. ^ PR admin (May 18, 2013). "The code of the Samsung NX200 and NX300 mirrorless cameras is now available as open source". Photo Rumors. Retrieved May 19, 2013. 
  38. ^ Dent, Steve (October 7, 2013). "Samsung refreshes NX300M mirrorless camera with 180 degree rotatable display". Archived from the original on December 6, 2013. 
  39. ^ Brown, Eric (November 11, 2013). "Tizen update: camera debuted, Lite version, delayed phone". LinuxGizmos.com. Retrieved February 23, 2014. 
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  41. ^ Brown, Eric (June 27, 2013). "World's first Tizen tablet?". LinuxGizmos.com. Archived from the original on July 2, 2013. Retrieved February 23, 2014. 
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  44. ^ Whitwam, Ryan (February 22, 2014). "Samsung Announces Gear 2 And Gear 2 Neo Smart Watches Running Tizen, Available Worldwide In April". Android Police. Retrieved February 22, 2014. 
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  47. ^ Kelion, Leo (January 15, 2015). "Samsung's first Tizen phones go on sale in India". BBC News. Retrieved January 15, 2015. 
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  51. ^ [1]
  52. ^ "Samsung Unveils the New Gear Fit2 and IconX – the Latest Wearables Blending Fitness and Fun for Any Lifestyle | SAMSUNG Singapore". Samsung SG. Retrieved 2016-06-19. 
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  55. ^ Aciicmez, Onur; Blaich, Andrew. "Understanding the Access Control Model for Tizen Application Sandboxing". Archived from the original (PDF) on September 12, 2012. 
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  60. ^ "Web and Mobile Interest Group". W3.org. 2017-11-29
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  64. ^ "Tizen IVI Architecture" (PDF). Retrieved January 5, 2012. 
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  66. ^ "Qt for Tizen Project". Retrieved June 30, 2013. 
  67. ^ "Open source governance and licensing for Tizen 3.0" (PDF). tizen.org. Retrieved December 3, 2013. 
  68. ^ "Why Apple and Samsung are "patent trolls"". 
  69. ^ "Cisco, Samsung Latest to Reach Patent Licensing Agreement". 
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  71. ^ "Open Source License Announcement" (PDF). 
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External links[edit]