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2A. Device Basics 11
Device Basics
Turning Your Device On and Off
Turning Your Device On
ᮣ Press at the top of the device.
Turning Your Device Off
1. Press and hold for about two seconds.
2. On the Power options menu, tap Power off.
Restarting Your Device
1. Press and hold for about two seconds.
2. On the Power options menu, tap Restart.
3. In the Restart phone confirmation box, tap Restart.
Turning the Screen Off When Not in Use
To save battery power, the device automatically turns
off the screen after a certain period of time when you
leave it idle. You will still be able to receive messages
and calls while the device’s screen is off.
You can also turn off and lock the screen by pressing
. Pressing again or receiving an
incoming call will turn on your device screen and show
the lock screen.
Note: When the screen is locked and you press , it
will only turn off the screen and not the device. You will
need to unlock the screen first before you press and
hold to turn the device off. See “Turning the
Screen Off When Not in Use” for details.
Note: Restarting the device will close all running apps and
will clear all temporary files in the device’s memory.
Make sure to save your work before restarting the
device.
Tip: For information on how to adjust the time before the
screen turns off, see “Display Settings” on page 44.