1. To power the device on, press and hold the Power/Lock key until the screen lights up.
   
2. To power the device off, press and hold the Power/Lock key.
   
3. Tap Power off.
   
4. If the device will not power on, plug it into a power source, then try again.
   
5. If the device will not power off, press and hold the Power/Lock key and Volume-up key to perform a forced restart.