1.The 'on/off' button is usually found on the right or left side of your phone.

2.To turn on your phone, long press the ‘on/off' button for a few seconds, after which the screen will light up.

3.To turn off your phone, long press the same ‘on/off' button for a few seconds. Note: Your phone may ask for confirmation that you want to turn it off. Additionally, some phones show a list of options other than 'Power Off'–make sure to tap 'Power Off' to turn off your phone.