mine works no problem .. verizon, no flip cover. works when screen is off, very reliably. my unlock is a pattern. works in hands free mode and not. let me know if I can tell you anything specific about my settings. I use it in both it's own hands-free mode (simplified) and 'regular' mode (for lack of a better term, or non-hands-free). I do have some of the air gestures set to work and they do as well, e.g. swipe hand upward along screen from bottom to top several inches above the screen when phone is off to see a quick summary status. Only thing I've noticed there is that the phone needs to be 'at rest', e.g, on a desk, for some period of time unknown to me..it doesn't work if I turn off the screen and am holding the phone right after that (probably to prevent 'accidental' triggers of this function).
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