Functionally, it works much like its predecessor Windows Mobile 5, but with improved stability.

To aid development for programmers, .NET Compact Framework v2 SP2 is now preinstalled with the OS.

Developers and users also have access to Microsoft SQL Server 2005 Compact Edition for storage and retrieval of information.

Communication abilities were further enhanced with a new Microsoft Bluetooth Stack and VoIP (Internet calling) support with acoustic echo cancellation and MSRT Audio Codec.

Further updates, both security and feature wise, can now also be provided using Operating System Live Update[9] Among other improvements:[10] 320x320 and 800x480 (WVGA) screen resolution support (The S01SH or "Em One" by Sharp was the first and only device to have a 800x480 screen on WM5),[11] Improved Remote Desktop access[12] (Available for only certain Pocket PCs),[13] Customer Feedback option,[14] Smartfilter for searching within programs and Unlicensed Mobile Access (UMA) support for select operators.