Instruction #1


1. Heyoo! Lets get started. First, press and hold the Power button.



2. Next, do choose the Power Off option. Tap OK.
3. Again, hold the Power button. Your device should turn back on. Voila, you're done.


Instruction #2

1. To begin, remove the back cover and the battery for, say, ten seconds. 
2. Afterwards, put everything back in its place.
3. Now switch the phone back on with the Power button.