- To turn on, press and hold the Power/Lock key until the screen lights up.
- To turn off, press and hold the Power/Lock key.
Note: If the screen immediately goes dark, you did not hold the Power/Lock key long enough. Unlock your phone, and then try again. - Tap Power off.
- Tap OK.
- If you are unable to turn your device on, plug the device into a power source for 15 minutes, and then try again.
- If you are unable to turn your device off with the Power/Lock key, remove and re-insert the battery.