1. First, press'n'hold the Power button until a menu will appear.
2. Second, select the Power off option.
3. Wait for a few seconds and then press'n'hold the Power button until the phone turns back on. Done!
1. First of all, take off the phone's back cover and remove the battery.
2. Wait a few seconds and reassemble the phone. Lastly, press the Power button to turn it on. Done!