I'm a user of Garmin GPS device and want to update my Garmin maps, with latest Garmin map updates. I have a huge collection of small and large sized map files. These files contain lot of important information, so I want to keep update in Garmin GPS device. I'm trying my hard efforts to update Garmin maps, but I am failing to do it. So it is become huge troublesome for me. I need someone's help for clearing out the concern related to Garmin map update . Can anyone suggest me why does it take long time to update Garmin maps?