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I reset the settings (all settings) on my new iPhone 5 today, to try to troubleshoot some problem. Since doing so, my screen seems dimmer.

I never changed the brightness settings to begin with, from opening the factory-sealed box up until the reset, so I am not sure why this seems to be the case. The auto-brightness seems to be using a lower intensity for any given lighting condition since the reset.

Am I just imagining things, or is this possible?

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up vote 0 down vote accepted

You probably are just imagining things, unless dirt has been obstructing your ambient light sensor and beside resetting your settings, you cleaned it too.

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Where is the sensor? I use a microfiber cloth and a drop of camera lens cleaner to wipe down the front every night. – ERJ Oct 3 '12 at 19:55

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