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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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Well, Why do you really want this? And, how are you planning to do this? – SS-3 Mar 27 '12 at 10:42
    
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 '15 at 18:25

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 '12 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. – Richard Borcsik Mar 27 '12 at 18:40

Sensor by default is never always on. Only when needed. Good assumption. If it damages it, I don't know.

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Do you have any reference to support your answer? – roxan Sep 28 '12 at 7:46
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How would it define "when needed"? – Andrew Barber Sep 28 '12 at 8:24

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