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tyranical

macrumors regular
Original poster
I have never noticed them before until just now they can only be seen if u tilt the phone to the sun, what are they? Sensors for something?
 
Yes.

Light and proximity sensors. For the auto-brightness feature, and to turn off the screen when you hold it up to your face while on a call.
 
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_0 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7A341 Safari/528.16)

What's the third one? Place holder for future front facing camera or accesory?
 
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_0 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7A341 Safari/528.16)

What's the third one? Place holder for future front facing camera or accesory?

You wish.
 
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_0 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7A341 Safari/528.16)

What's the third one? Place holder for future front facing camera or accesory?

2 proximity sensors, 1 light sensor.
 
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