Find my iPhone, Find My Device, or similar services use the last known phone location to help you.įinally, you can use IMEI (International Mobile Equipment Identity) numbers to trace a phone. When there is no connection, Bluetooth services help track a phone offline as long as it is switched on. It uses the cell site mast information to map the location more accurately when satellite coverage is poor. Phones also use A-GPS or assisted GPS when connected to Wi-Fi or data connections. It uses satellite signals to ping the phone and provide a location. It is the most accurate monitoring form and can be shown in real-time. Using multiple masts, triangulates a position to narrow it down.Īnother phone tracking method is GPS services. When that phone moves, it will ping from a different mast. ![]() This service works by monitoring which mast you are connected to. Triangulation is one such method and works on the locations of cell towers or mobile network masts. Part 1: Can You Track a Phone That Is Turned off?īefore answering the question, let's first talk about how location tracking works.
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