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Offline navigation refers to the ability to use navigation applications and services without an active internet connection. This is typically achieved by downloading map data for a specific region or the entire world onto a device, such as a smartphone or tablet, beforehand. Once the map data is stored locally, the device's GPS receiver can be used to determine the user's current location and provide directions, even in areas with no cellular service or Wi-Fi.

Many popular navigation apps offer offline capabilities. Users can usually access this feature by selecting an option to download maps within the app's settings. These downloaded maps can be quite comprehensive, often including road networks, points of interest, and even satellite imagery. The advantage of offline navigation is its reliability in remote locations, during international travel where data roaming might be expensive, or in situations where internet connectivity is unpredictable.

While offline navigation eliminates the need for a data connection for basic mapping and routing, it's important to note that some features may still require an internet connection. For instance, real-time traffic updates, live search for businesses, or weather forecasts are generally not available with offline maps. However, for core navigation tasks like finding a route and following it turn-by-turn, offline functionality provides a robust and dependable solution. The storage space required for offline maps can vary depending on the size of the region downloaded, but modern devices typically have sufficient capacity.