Why Do Some Phones Automatically Turn On When You Pick Them Up?

Phones can sense when you pick them up. Imagine your phone has eyes and ears, like a little robot inside it. It uses special sensors that tell it whether you're holding it or not. When you grab it, one sensor sees the light change, and another feels the movement, so the phone knows to turn on.

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Examples

When you pull your phone out of your pocket in a dark room, the light sensor detects the change from darkness to light, and the phone turns on.
Your phone senses when you shake it, like when you wave it in the air to wake it up.
The phone knows if you're holding it by feeling the motion, just like how you feel when you walk.

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Categories: Technology · smartphones· sensors· technology· mobile devices· automatic features