Some of the new features and improvements:
- Support for new technologies like push-to-talk, video calling and conferencing.
- Support for 3G, WiFi and improved Bluetooth connectivity.
- Support for QWERTY keyboards
- Persistent memory storage that retains information when the device's battery is depleted.
- Microsoft Office for Windows Mobile: Excel Mobile, Word Mobile and PowerPoint Mobile.
- Improved security features.
- Windows Media Player 10 Mobile
- Support for hard drives and USB 2.0