Garmin Mobile XT for Windows Mobile software version 4.20.30w as of March 14, 2008
Changes made from version 4.20.20w to 4.20.30w:
* Provide additional error checking to detect corrupted NMEA input from third party GPS receivers.
* Provide increased voice prompt volume for smartphone devices.
* Provide additional coordinate location formats when selecting Where To -> Coordinates.
* Modify map drawing settings to improve the map drawing speed.