For Zumo 5x0 the next info on Garmin:
May be it is time for update?Code:http://www8.garmin.com/support/download_details.jsp?id=1671
Change History
Changes made from version 4.90 to 5.00:
Fixed an error that caused inaccurate screen touches.
Changes made from version 4.80 to 4.90:
Added support for map files larger than 2 GB.
Changes made from version 2.50 to 3.00:
Added support for SDHC cards