1. Press and hold the Power/Lock key to turn the device off.
    device 2641/1279696.jpg
  2. Swipe down from the middle of the screen.
    device 2641/1279697.jpg
  3. Press and hold the Power/Lock key to turn the device on.
    device 2641/1279698.jpg
  4. If unable to turn the device on, plug the phone into a power source, and then try again.
    device 2641/1279699.jpg
  5. If unable to turn the device off, press and hold the Power/Lock key for 10 seconds, until it reboots.
    device 2641/1279700.jpg