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If you keep the proximity sensor always on (like for applications that turn on the screen when you tap the sensor a few times) is there a risk to damage it?

I'm assuming that the sensor works only in certain situations (e.g. phone rings and sensor is activated to see if phone is in pocket, during a call to detect proximity to the head etc) so I'm wondering if it's OK to keep the sensor on all the time.

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  • Just one data point... on an older phone I wrote an app that left the proximity sensor on all the time at night (to easy log when I got in and out of bed) and I never had any issues. On my model it was just a (very dim) red LED which probably has a longer life than the phone as a whole.
    – Michael
    Dec 7, 2015 at 18:25

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The sensor is always on, so there's no higher risk of damage if an app uses it.

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  • It's always on?! No matter the type of sensor or phone?
    – Jonny
    Mar 27, 2012 at 10:49
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    It wouldn't make much sense to turn it on/off. It's a very low power sensor.
    – user13391
    Mar 27, 2012 at 18:40

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