I am a traveler and using Garmin GPS unit for tracking the correct routes or desired destinations exactly. From the last week, my Garmin GPS unit is not showing the correct routes exactly, so I am into a big trouble. I want to update my Garmin GPS unit, so I am seeking for the expert’s help or specialized assistance for this problem. As per my technical knowledge, I am trying to update my Garmin GPS unit properly, but I am not able to complete the update process. So, I am sharing this concern with all of you. So anyone can share the easy tips to update Garmin GPS unit successfully.