Windows Mobile 2003, originally codenamed "Ozone", is a member of the

Windows Mobile Windows Mobile is a discontinued mobile operating system developed by Microsoft for smartphones and personal digital assistants (PDA). Designed to be the portable equivalent of the Windows desktop OS in the emerging Mobile device, mobile/port ...

family of mobile operating systems, released on June 23, 2003, succeeding

Pocket PC 2002 Pocket PC 2002, originally codenamed "Merlin", was a member of the Windows Mobile family of Mobile operating system, mobile operating systems, released on October 4, 2001. Like Pocket PC 2000, it was based on Windows CE 3.0. Although mainly targe ...

and

Smartphone 2002 Windows Mobile is a discontinued mobile operating system developed by Microsoft for smartphones and personal digital assistants (PDA). Designed to be the portable equivalent of the Windows desktop OS in the emerging Mobile device, mobile/port ...

. It was the first Microsoft mobile OS to be called "Windows Mobile" and is based on

Windows CE Windows CE, later known as Windows Embedded CE and Windows Embedded Compact, is a discontinued operating system developed by Microsoft for mobile and embedded devices. It was part of the Windows Embedded family and served as the software foun ...

4.2.

Editions

Windows Mobile 2003 came in four editions: * Windows Mobile 2003 for

Pocket PC A Pocket PC (P/PC, PPC) is a class of personal digital assistant (PDA) that runs the Windows Mobile operating system, which is based on Windows Embedded Compact, Windows CE/Windows Embedded Compact, and that has some of the abilities of modern ...

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 A smartphone is a mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allowing users to access a wide range of applications and services, such as web browsing, email, and social media, as well as multi ...

s * Windows Mobile 2003 for Pocket PC Phone Edition: Designed especially for Pocket PCs which include phone functionality.

Features

The communications interface was enhanced with

Bluetooth Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is li ...

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 Musical Instrument Digital Interface (; MIDI) is an American-Japanese technical standard that describes a communication protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical instruments, ...

file support as ringtones in Phone Edition and

Windows Media Player Windows Media Player (WMP, officially referred to as Windows Media Player Legacy to retronym, distinguish it from Windows Media Player (2022), the new Windows Media Player introduced with Windows 11) is the first media player (application soft ...

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: * Enhanced Pocket Outlook with

vCard vCard, also known as VCF ("Virtual Contact File"), is a file format standard for electronic business cards. vCards can be attached to e-mail messages, sent via Multimedia Messaging Service (MMS), on the World Wide Web, instant messaging, N ...

and vCal support * Improved

Pocket Internet Explorer Internet Explorer Mobile (formerly named Pocket Internet Explorer; later called IE Mobile) was a mobile version of Internet Explorer developed by Microsoft, based on versions of the MSHTML (Trident) layout engine. IE Mobile comes loaded by defa ...

SMS Short Message Service, commonly abbreviated as SMS, is a text messaging service component of most telephone, Internet and mobile device systems. It uses standardized communication protocols that let mobile phones exchange short text messages, t ...

reply options for Phone Edition.

References

{{Operating-system-stub Windows Mobile Discontinued versions of Microsoft Windows

Editions

Features

See also

References