Instruction #1
1. For starters, press and hold the Power button.
2. A new menu should open. From it, choose the Power Off option, then tap OK.
3. Stay idle for five to ten seconds.
4. Again, hold the Power button. Your device should turn back on. Voila, you're done.
1. To begin, remove the back cover and the battery for, say, ten seconds.
2. Now put both the battery and the cover back where they were.
3. Complete the process. Turn the phone back on by holding the Power button.