3.重新编写的摄像头应用程序接口，软件开发者为内置摄像头机型开发应用软件将更为简单
4.使用ActiveSync 4.0
5.优化了智能手机对WiFi的支持
6.加入支持Push-To-Talk和视频电话功能
7.加强了蓝牙传输支持
8.支持类似于Treo650的“永久”记忆体，掉电情况下也可以保持所有数据
9.支持USB 2.0，使用Windows Mobile 5.0系统的机型可直接与外置移动硬盘连接传输
同时5.10MS Download上也发布了SDK了
Software Development Kit for Windows Mobile 5.0 software for Pocket PC
www.microsoft.com/downloads/info.aspx?na=22 p=1 SrcDisplayLang=en SrcCategoryId= SrcFamilyId= genscs= u=%2fdownloads%2fdetails.aspx%3fFamilyID%3d83a52af2-f524-4ec5-9155-717cbe5d25ed%26DisplayLang%3den
Software Development Kit for Windows Mobile 5.0 software for Smartphone
www.microsoft.com/downloads/info.aspx?na=22 p=2 SrcDisplayLang=en SrcCategoryId= SrcFamilyId= genscs= u=%2fdownloads%2fdetails.aspx%3fFamilyID%3ddc6c00cb-738a-4b97-8910-5cd29ab5f8d9%26DisplayLang%3den