1. Move aside the small screen that covers the microSD card.
2. Pick up a long, thin object and with it press the small button between the microSD slots.
3. Done.
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!