- Performance Improvement
- Web Browser : 2~3 times faster than 2.1 version
- Memory management : 20 times faster than 2.1 version
- Application can be installed in SD Card
- Exchange manager can do remote factory reset in case that he lost the phone.
- Data backup application will be pre-installed on the phone
But, P509(TMUS) is not supportieve
- Wifi-hot spot & Thethering are supportieve.