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the Status Bar, the phone is in silent mode.
• Press the Home Key > Menu Key > System
settings > Sound > Silent mode, and tap
Vibrate or Mute.
Applying New Wallpapers
You can set the wallpaper for the home screen or lock
screen.
1. Press the Home Key > Menu Key > Wallpaper.
2. Tap Home or Lock screen.
3. Select a wallpaper source from Gallery, Live
Wallpapers, Photos, or Wallpapers and choose
the image or animation you want to use as the
wallpaper.
4. For Gallery or Photos images, tap OK or Done at
the top of the screen to crop the picture. For Live
Wallpapers or Wallpapers, tap Set Wallpaper.
NOTE: Live Wallpapers and Photos are not
available for the lock screen.
Changing the Screen
Brightness
1. Press the Home Key > Menu Key > System
settings > Display > Brightness.
2. Tap AUTO to turn on or off automatic brightness
adjustment. You can also drag the slider to turn off
auto-adjustment and change the screen brightness
manually.
Protecting Your Phone With
Screen Locks
You can protect your phone by creating a screen lock.
When a screen lock is enabled, you need to tap and
hold the screen, look at the front-facing camera, draw a
pattern, or enter a numeric PIN or a password to unlock
the phone’s screen and keys.
1. Press the Home Key > Menu Key > System
settings > Security.
2. Tap Screen lock.
3. Tap Long press, Pattern, PIN, or Password.
• Tap Long press to enable screen lock and allow
unlocking with a “tap and hold” gesture. You can
unlock the screen by tapping and holding a blank
area on the lock screen.
• Tap Face Unlock to let the phone capture your
face. You can unlock the screen by looking at
the front-facing camera. You also need to set a
pattern or PIN in case the phone cannot recognize
your face.
• Tap Pattern to create a pattern that you must
draw to unlock the screen.
• Tap PIN or Password to set a numeric PIN or
a password that you must enter to unlock the
screen.
The next time you turn on your phone or wake up the
screen, you must draw your unlock pattern or enter your
PIN or password to unlock it.
IMPORTANT: If you forget the pattern you set, try
five times and tap Forgot Pattern to sign in to the
Google account you have added on the phone and
reset the screen lock. You will need an active Internet
connection. You can also upgrade the phone software
(see Upgrading the Phone Software).
Protecting Your Phone With
Encryption
You can encrypt all the data on your phone: Google
accounts, application data, music and other media,
downloaded information, and so on. If you do, you must
enter a numeric PIN or password each time you power
on your phone.
WARNING! Encryption is irreversible. The only way
to revert to an unencrypted phone is to perform a
factory data reset, which erases all your data.
Encryption provides additional protection in case your
phone is stolen, and may be required or recommended
in some organizations. Consult your system
administrator before turning it on. In many cases the
PIN or password you set for encryption is controlled by
the system administrator.
Before turning on encryption,
prepare as follows:
1. Set a lock screen PIN or password.
2. Charge the battery.
3. Keep the phone connected to the charger.
4. Schedule an hour or more for the encryption process.
You must not interrupt it or you will lose some or all
of your data.
When you’re ready to turn on
encryption:
1. Press the Home Key > Menu Key > System
settings > Security > Encrypt phone.
2. Read the information about encryption carefully.
The Encrypt phone button is dimmed if your
battery is not charged or your phone is not plugged
in. If you change your mind about encrypting your
phone, press the Back Key.
WARNING! If you interrupt the encryption
process, you will lose data.
3. Tap Encrypt phone.
4. Enter your lock screen PIN or password and tap
Next.
5. Tap Encrypt phone again.
The encryption process starts and displays its progress.
Encryption can take an hour or more, during which time
your phone may restart several times.
When encryption is complete, you’ll be prompted to
enter your PIN or password.
Subsequently, you must enter your PIN or password
each time you power on your phone to decrypt it.
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