1. To turn the device on, press and hold the End key until the screen lights up.
   
2. To turn the device off, press and hold the End key until the screen goes dark.
   
3. If you are unable to turn your phone on, plug the phone into a power source for 15 minutes, and then try again.
   
4. If you are unable to turn your phone off with the End key, remove and re-insert the battery.