3. Turn your phone on/off.
To turn your phone on, press and hold the Power/Lock button.
NOTE: The first time you turn on your phone, you will need to activate it.
See the Welcome Guide included with your phone.
To turn off your phone, press the Power/Lock and Volume Up buttons at
the same time.
Locking/unlocking the screen
To turn on your screen, press the Power/Lock button. Then swipe up
on the screen to unlock it. You can also use the Fingerprint Sensor to
unlock the screen. To set up the Fingerprint Sensor, swipe up from the
home screen and tap
Fingerprint.
To turn off your screen and prevent accidental key presses, press the
Power/Lock button.
Settings > Security & privacy > Device lock >
Scan with your
Camera app for
the video.