Instruction #1
1. For starters, press and hold the Power button.
2. Next, do choose the Power Off option. Tap OK.
3. Just wait for a couple 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. Afterwards, put everything back in its place.
3. Complete the process. Turn the phone back on by holding the Power button.