... Product Description GPS Built in Windows mobile 6.0 operation system WIFI/Bluetooth support 3.2 inch TFT L Screen 260K ... Other functions MP3, MP4, Handsfree, SMS group sending, Voice recorder, WAP, Handwritten input, Bluetooth, GPRS download, MMS, Smart phone, Memory extend ... it to use your Mobile phone. (II) Operating system disorder or unsuccess to system. press the camera button and volume button ...