Are Here:
For NUVI 350
Changes made from version 5.20 to 5.30:
Changes made from version 5.10 to 5.20:
- Resolved Attention Tone issue
Changes made from version 5.00 to 5.10:
- Updated the location of the Garmin waypoints.
- Added advance reservation notification at lodging establishments to receive discounts with Savers Guide.
- Added support for African timezones.
- Added traffic support for Australia.
- Resolved issue with map update reminder.
- Fixed issue where some audible books would cause the unit to reset.
- Updated currency converter exchange rates.
- Corrected backlight setting north of Arctic Circle.
- Added support for the following new voices: Afrikaans, Catalans, and Luxembourgish.
- Fixed coordinate position issue.
- Fixed max volume issue.
- Corrected issue with mass storage mode on Mac Computers.
- Corrected issue where WebUpdater may not find device.
http://www8.garmin.com/support/download_details.jsp?id=1169
for NUVI 300
Change History

Changes made from version 5.20 to 5.30:
Changes made from version 5.10 to 5.20:
- Resolved Attention Tone issue
Changes made from version 5.00 to 5.10:
- Updated the location of the Garmin waypoints.
- Added advance reservation notification at lodging establishments to receive discounts with Savers Guide.
- Added support for African timezones.
- Added traffic support for Australia.
- Resolved issue with map update reminder.
- Fixed issue where some audible books would cause the unit to reset.
- Updated currency converter exchange rates.
- Corrected backlight setting north of Arctic Circle.
- Added support for the following new voices: Afrikaans, Catalans, and Luxembourgish.
- Fixed coordinate position issue.
- Fixed max volume issue.
- Corrected issue with mass storage mode on Mac Computers.
- Corrected issue where WebUpdater may not find device.
http://www8.garmin.com/support/download_details.jsp?id=1171
David