If you want to use the navigation features to the Windows Phone, you must have Windows Phone should be connected to the internet. But HTC has just introduced an offline navigation features to their Windows Phone platform.
Locations from HTC application was not originally designed to compete with applications Drive from Nokia, but applications from HTC has now will allow you to download maps that you can use when offline as well as help navigate the journey that you take, just as applications Drive from Nokia .
Support voice guidance seems deliberately presented in stages by HTC to facilitate the activities of users either while walking or while driving.
This feature has actually appeared on Android products from HTC, but for no apparent reason HTC is not immediately include it in their products Windows Phone. After the show it is serious in Nokia Windows phone market, HTC also does not seem to want their share of the market captured by Windows Phone Nokia by deciding to go offline in the navigation features of Windows Phone platform.