TURN ON DEVICE: Press and hold the Power/Lock button until the screen lights up. Note: If you are unable to turn your device on, plug the device into a power source for 15 minutes and then try again.
TURN OFF DEVICE: Press and hold the Power/Lock button, then select Power off. Note: If your device becomes unresponsive or you are unable to turn off the device, press and hold the Power/Lock and Volume down buttons for 10 seconds until it reboots.