Windows Mobile 2003

Windows Mobile 2003 (codenamed Ozone) is a version of Windows Phone, which was released on 23 June 2003. The mainstream support for this version ended on 14 July 2009 and extended support ended five years later on 8 July 2014.

Editions
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