Magellan Roadmate is among the best GPS devices that come with an LCD screen and is loaded with a memory card. Although the maps are already loaded, it is very important to perform Magellan Roadmate 5259t Update regularly. Most of the Magellan devices are using the content manager that’s going to keep your device software as well as the maps up to date. It needs to be updated with all the latest information and all the shortcut routes to your destination.