![]() ![]() Let’s say there are no matches because no one has ever had an iPhone around these routers ever before. It’s crowdsourced.Īs part of the location services lookup process, your device uploads that list of nearby Wi-Fi network details to the company’s database. So where did these big databases come from? Who uploaded it in the first place? Well, you did-you and people like you. Where Does the Wi-Fi Data Come From? Gorodenkoff/ ![]() Devices with cellular connectivity will also use triangulation with cell tower locations to determine your location, too. Your device is often using both, however. This lookup process is often faster than using GPS to get a lock on your location. Repeat this a few times and you can get a pretty accurate determination of your device’s location. If you have a weaker signal from another Wi-Fi access point, you must be farther away from it. For example, if you have a strong signal from one Wi-Fi access point, you must be near it. ![]()
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