"New GARMIN ZUMO 550 UPDATE"4.0 starson by lwos
Pros: See other comments
Cons: No time of day or compass display on route.
Summary: Just to let all Zumo 550 users there has been a software update as of
OCTOBER 18, 2008 for the Zumo 550
After you copy and paste link below, click on "UPDATES AND DOWNLOADS". You'll see where to click for the appropiate download.