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A Closer Look at How Google Maps Determines Your Location

The Google Maps blue dot 1 photo
Photo: Softpedia
Nobody can deny Google Maps is currently the top navigation app out there, and it happens for a good reason. Google has put a lot of effort into keeping the information displayed to users as accurate as possible. Given it already covers most of the world, it’s easy to understand why so many people rely on this app to receive directions to a specific destination.
Like the other navigation apps out there, Google Maps tries to determine your location to provide you with relevant information. Of course, it becomes mostly useless if it can’t do this.

Understanding the blue dot

While for most people the blue dot displayed on Google Maps shows where they are, this is actually a much more important feature of the application.

First and foremost, if you do see the blue dot, it’s a good thing. This means Google Maps has managed to determine your location and knows exactly where you are. Technically, it should be able to provide you with navigation directions just fine.

On the other hand, if the blue dot is nowhere to be seen, or if instead of blue it uses gray, this means Google Maps can’t find your current location for one reason or another. So what Google does is show your last known location on the map. It goes without saying this information might no longer be accurate if you’re already in another place.

Google explains there’s more about the blue dot that users should pay attention to while running Google Maps.

The blue dot shows you where you are on the map. When Google Maps isn’t sure about your location, you’ll see a light blue circle around the blue dot. You might be anywhere within the light blue circle. The smaller the circle, the more certain the app is about your location,” the company briefly explains.


How Google Maps knows where you are

Like any other navigation app, Google Maps first and foremost relies on the GPS sensor inside your phone to determine your location and display the blue dot we’ve just discussed. Thanks to this method, Google Maps is capable of determining your location up to approximately 20 meters (65 feet), so this is one highly accurate way to figure out where you are.

But it’s getting better. Google Maps can also look for your location based on Wi-Fi information. If you’re connected to a wireless network, the application can use its information to get more accurate data, and then using the GPS details, show your location on the map.

If neither GPS nor Wi-Fi is available, then Google Maps turns to cellular information to estimate your location. In this case, however, the accuracy is substantially reduced. Google says the location could be accurate up to a few thousand meters, so it’s pretty clear this isn’t necessarily the best method to use when driving.

What you can do, however, is enable the high-accuracy mode, which on Android devices is available under Settings > Location > Mode > High accuracy.

Still, there are moments when Google Maps struggles to determine your location even if everything appears to be working correctly. This can be caused by various reasons, including botched updates that were installed on your phone.

In most cases, if you are entirely sure Google Maps is no longer able to determine your location because of a broken update, the easiest way to deal with the whole thing is to go back to an earlier version. On Android, this is possible with a manual download of the APK installer.
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About the author: Bogdan Popa
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Bogdan keeps an eye on how technology is taking over the car world. His long-term goals are buying an 18-wheeler because he needs more space for his kid’s toys, and convincing Google and Apple that Android Auto and CarPlay deserve at least as much attention as their phones.
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