Windows Mobile 2003

Windows Mobile 2003
A version of the Windows Mobile operating system
Developer Microsoft
Source model Closed source
Released to
June 23, 2003 (2003-06-23)
Preceded by Pocket PC 2002
Succeeded by Windows Mobile 5.0
Support status

Mainstream support: Ended on July 14, 2009.[1]

Extended support: Ended on July 8, 2014.[1]

Windows Mobile 2003, originally codenamed "Ozone",[2] is a discontinued mobile operating system and part member of Windows Mobile family. It was released on June 23, 2003, and was the first Microsoft OS to be called "Windows Mobile". It was based on Windows CE 4.20.


Windows Mobile 2003 came in four editions:

  • Windows Mobile 2003 for Pocket PC Premium Edition
  • Windows Mobile 2003 for Pocket PC Professional Edition: Used in Pocket PC budget models and lacked a number of features from the Premium Edition such as a client for L2TP/IPsec VPN.
  • Windows Mobile 2003 for Smartphone
  • Windows Mobile 2003 for Pocket PC Phone Edition: Designed especially for Pocket PCs which include phone functionality


The communications interface was enhanced with Bluetooth device management which allowed for Bluetooth file transfer support, Bluetooth headset support and support for Bluetooth add-on keyboards.

A pictures application with viewing, cropping, e-mail, and beaming support was added.

Multimedia improvements included MIDI file support as ringtones in Phone Edition and Windows Media Player 9.0 with streaming optimization.

A puzzle game titled Jawbreaker was among the pre-installed programs. Games API was included with this release to facilitate the development of games for the platform.

Other features/built-in applications included:[3]


  1. 1 2 "Microsoft Product Lifecycle Search". Support. Microsoft. Retrieved 26 September 2014.
  2. De Herrera, Chris. "Windows CE/Windows Mobile Versions". Retrieved September 6, 2007.
  3. De Herrera, Chris. "Windows Mobile 2003". Pocket PC Magazine. Retrieved September 14, 2007.
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