problem with accessing the build-in GPS on nokia (N95)

[RiskyHunter]

i bought nokia N95 which has JSR-179 support.

however i couldn't communicate with the GPS receiver to get the location

this is the code:

Criteria cr = new Criteria();
cr.setCostAllowed(false);
cr.setSpeedAndCourseRequired(true);
cr.setHorizontalAccuracy(500);
cr.setAltitudeRequired(true);
LocationProvider provider = LocationProvider.getInstance(cr);
Location location = provider.getLocation(30);
System.out.println("Method : " + location.getLocationMethod());
QualifiedCoordinates co = location.getQualifiedCoordinates();
if (co != null) {
System.out.println("Long: " + co.getLongitude());
System.out.println("Lat : " + co.getLatitude());
System.out.println("Alt : " + co.getAltitude());

Result:

Method : 0
Long: 0.0
Lat : 0.0
Alt : 0.0

i really don't know whats the problem T_T;
plz reply as soon as possible;