Instruction #1


1. Press and hold the Power button. 

2. Choose the Power Off option, then tap OK.

3. Just wait for a few seconds.

4. Now hold down the Power button again to turn the phone back on.

Instruction #2

 

1. First, take off the back cover and remove the battery for a few moments. 

 

2. Next, put the battery and the cover back in.

 

3. Last, turn the phone back on by holding the Power button.