![]() GPS chips signal a receiver that calculates the device’s distance from three or more U.S. ![]() But this isn’t always an easy task, so the iPhone uses what’s call AGPS, or “assisted GPS.” Using cell tower data, an iPhone can store the location of satellites and acquire a signal faster. It can even provide location information when GPS isn’t available by using crowdsourced Wi-Fi access points and cell tower triangulation. ![]() “If Location Services is on, your iPhone will periodically send Apple the geo-tagged locations of nearby Wi-Fi hotspots and cellular towers in an anonymous and encrypted form,” Apple states on its website. “This information is used for augmenting this crowd-sourced database of Wi-Fi hotspot and cellular tower locations.”Īdditionally, the iPhone uses Bluetooth for more accurate tracking indoors when GPS is unreliable or unavailable. If you own wireless audio products, you’re probably already familiar with the standard. Bluetooth devices send out a signal and can, therefore, track paired gadgets moving in and out of range. How to use Find my iPhone on Apple devicesīefore you can use Find my iPhone or Find my Mac, you’ll need to enable it on each of your devices. Here’s how to enable Find my iPhone so you can use its features. How to enable Find my iPhone for iPhone, iPad, or iPod Touchīefore you can search for your lost iPhone, iPad, or iPod Touch, you’ll need to turn on Find my iPhone. We strongly recommend you enable the feature on all of your iOS and macOS devices. If it isn’t turned on, you can’t use it to locate your missing gadgets.
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