How your iOS device uses Location Services

With your permission, Location Services allows apps and websites (including Maps, Camera, Weather, and other apps) to use information from cellular1, Wi-Fi2, Global Positioning System (GPS)3 networks, and Bluetooth4 to determine your approximate location5.

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Apps that can show your location on the screen, including Maps, show your current (approximate) location using a blue marker. If your location can’t be determined precisely, you’ll see a blue circle around the iphone location services not working. The size of the circle shows how precisely your location can be determined—the smaller the circle, the greater the precision.

When Location Services is active, a black or white arrow icon appears in the status bar.

Maps, directions, and location-based apps depend on data services. These data services are subject to change and might not be available in all geographic areas, resulting in maps, directions, or location-based information that might be unavailable, inaccurate, or incomplete. Compare the information provided on the device to your surroundings and defer to posted signs to resolve any discrepancies.

Give apps permission to use your Location
The first time an app tries to access your location, even in the background, it will ask for your permission. You’ll see which app is asking for permission to use your location, and the app’s developer may also explain how their app uses your location.

Some apps will ask to use your location only while the app is in use. An app is considered “in use” when you’re actively using it in the foreground, or when it’s in use in the background, which the status bar will indicate.

Other apps will ask for access to your location even when the app isn’t in use. When you allow an app to always use your location, iOS will remind you which apps are able to use your location after an app uses your location in the background.

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