How does the iPad's auto-brightness work?

Sometimes my screen is dull but I have to change the brightness myself. I don't think the iPad 3 has a light sensor on the front does it? So how does the iPad's auto-brightness work?

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matt101101 / MOD  Apr. 30, 2013 at 15:06

I thought all auto-brightness worked using an ambient light sensor, no idea how the iPad's works if it doesn't have one...

mrew42  Apr. 30, 2013 at 15:39

SHould be just above the front facing camera on the iPad 3.


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