Samsung Galaxy J3 Manual page 8

Step 4. Charging your phone
Before turning on your phone, charge it fully.
Insert the small end of the USB cable into the
phone. Insert the larger end into the charger
and plug it into an outlet.
WARNING: Use only charging devices and
batteries that are approved by Samsung.
Samsung accessories are designed for your
device to maximize battery life. Using other
accessories may void your warranty and may
cause damage.
Step 5. Turning 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 Activate
your phone guide included in the box.
To turn your phone off, press and hold the
Power/Lock button
and follow the onscreen
instructions.
Locking/unlocking your screen
To turn on your screen, press the
Power/Lock button. Then swipe up on
the screen to unlock it.
To turn off your screen and prevent
accidental key presses, press the
Power/Lock button.
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