It was also a bit too sensitive, turning the screen on when I moved my arm from side to side. (tomsguide.com)
This is because you need to turn the screen on first and then swipe from the icon on the bottom right to launch. (androidheadlines.com)
You will accidentally hit something or unintentionally turn the screen on, and that can become a pain, especially when taking the phone out of a pocket. (brighthand.com)