Microsoft has officially announced the latest Mobile OS, Windows Mobile 6.5 at the WMC 2009. The new OS should be pre-installed on phones coming out in Q4 2009 and has many new features and an improved interface. Windows Mobile 6.5 focuses on touch friendliness with new Honeycomb Design. A new version of Internet Explorer is included which adds zoom slider and frequently-used commands.

The new honeycomb design is the main attraction which can also be rearranged easily. Windows Mobile 6.5 brings lots of changes including the interface and handful of enhancements including an application store called Windows Marketplace for mobile and a backup and restore service called My Phone.

Windows Mobile 6.5 will not be available as a upgrade for existing customers using 6.1 version, this was confirmed by Microsoft.