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UIQ (formerly known as User Interface Quartz) by UIQ Technology is a software platform based upon Symbian OS. Essentially this is a graphical user interface layer that provides additional components to the core OS, to enable the development of feature-rich mobile phones that are open to expanded capabilities through third-party applications.


On November 7, 2006, Sony Ericsson announced they had agreed (in principle) to buy UIQ from Symbian Ltd. and run it as a separate subsidiary. The UIQ products would be "openly available, licensed on equal terms to all its licensees". The sale will complete in the next few months "pending regulatory approval and customary closing conditions". The acquisition was completed in February 2007.[1]

On October 15, 2007, Sony Ericsson and Motorola, Inc. announced an agreement for Motorola to purchase a 50% interest in UI Holdings BV, the parent company of UIQ Technology. The two companies worked and invested jointly in the development of UIQ.

UIQ Technology was based in Ronneby, Sweden, and situated in the Soft Center Science & Research Park. The first General Manager was Peter Molin and the first Product Manager was Martin Hill. Johan Sanderg was appointed General Manager in 2000.

End of UIQ

With the establishment of Symbian Foundation in 2008, UIQ ceased to exist. S60 was the UI choice of the Symbian Foundation; UIQ contributed its assets to the foundation.[2]

At the start of January 2009 UIQ Technology filed for bankruptcy.[3]

UIQ programming languages

Native applications can be written in C++ using the Symbian/UIQ SDK. All UIQ-based phones (2.x and 3.x) also support Java applications.

UIQ phones employ touch screens with a resolution of 208×320 pixels (UIQ 1.x & 2.x) and 240×320 (UIQ 3.x). Depending on the phone, the color depth is 12-bit (4096 colors), 16-bit (65536 colors), 18-bit (262144 colors), and 24-bit (16,777,216 colors) on some newer phones.

For developers the significant items are:

  • Single SDK model - developers targeting core UIQ features can use the UIQ SDK to target any UIQ 3 device. Extensions targeting specific device features (such as WiFi, etc.) are available from phone manufacturers websites.
  • Increased tools support - developers can use whichever tools they are familiar with (DevStudio, Eclipse, Carbide, CodeWarrior, NetBeans). Many of these tools are beginning to support extensive RAD features for both C++ and Java developers. Visual Basic programmers can use NS Basic/Symbian OS.
  • High volume, mid-range devices are now possible, to significantly increase the potential customer base.

List of UIQ 2.x phones

Sony Ericsson





List of UIQ 3.x phones

Sony Ericsson G700 running Symbian UIQ 3.0

The following is a list of the smartphones that have been announced/confirmed as running the newer UIQ 3.x platform.

PDA-style design (similar to a handheld computer)

Hybrid PDA/Phone design (Candy-bar phone with Touchscreen Display)

Slider design

First phones to use platform versions

See also


  1. ^ "History". UIQ Technology. 2007. Archived from the original on 23 May 2007. Retrieved 2007-10-17. 
  2. ^ "Symbian Foundation continues to draw strong industry support", Sony Ericsson press release 2008-09-09, retrieved 2008-10-24
  3. ^ The end of UIQ. Esato. Retrieved on 2013-12-08.

External links

  • UIQ Technology
  • Symbian OS and UIQ Developer Portal
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