Do we really have a compass in our phone? Doesn’t compass get disrupted with all those metals in the phone. Our does the phone receive the information from somewhere else?
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Have you ever tried to use your compass and your phone asks you to move it around in a circle kind of motion? It’s calibrating the compass readings to account for the metal in the phone. By getting measurements from all different angles, it can determine how much of the reading is coming from metal in the phone and how much is from Earth’s magnetic field.
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