Windows Mobile 2003 is an second released for Windows Mobile was released for pubilc on June 23, 2003, at the CEO 2003 on 2003. Windows Mobile 2003 was another news codenamed is <nowiki>"Ozone"</nowiki> was history of pubilc on January 2002. Windows Mobile 2003 was introduction based for Pocket PC 2002, they run on Windows CE.