I don't know how about the first one but the second is not true capacitive buttons are sensitive. The light is dimmed though
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If I turn on the onscreen nav bar, it's just as sensitive as anything else on the screen (obviously, since it's part of the screen). But the hardware buttons often take 2-3 taps to respond. It's like the first tap almost always "wakes up" the button (turning on the backlight) then the second tap works. It's not a deal breaker, just wondering if it was fairly normal or just my phone.
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