Garmin devices are becoming much popular currently in market because it helps you to save your time by navigating you throughout your journey. It is obvious sometimes and someone will find some issues in it after all it is a technicial device but all issues like failure in connecting to the map, black or single lines on gps screen, shutdown errors and much more can be easily fixed by our well qualified garmin map update us team. You just have to call our garmin device update team on +1-855-253-4222.