Personalizing
Personalizing
•Keep pressing the Volume Down Key when no
media application is active. When the 
icon appears in the Status Bar, the phone is set to silent
mode with vibration. When the 
icon appears in 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, or Wallpapers and choose the image or animation you want to use as the wallpaper. Some cropping may be needed for Gallery images.
4.Tap Set wallpaper.
NOTE: Live Wallpapers are not available for the Lock Screen.
Changing the Screen
Brightness
1.Press the Home Key > Menu Key > System settings > Display > Brightness.
2.Check the Automatic brightness box to make the phone adjust the screen brightness automatically,
or clear the check box to adjust the brightness manually.
3. Tap OK.
Protecting Your Phone With Screen Locks
You can protect your phone by creating a screen lock. When enabled, you need to draw a pattern or enter a numeric PIN or 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 Pattern, PIN, or Password.
•If you tap Pattern, you’ll need to create a pattern you must draw to unlock the screen. The first time you do this, a short tutorial about creating an unlock pattern appears. Then you’ll be prompted to draw and redraw your own pattern.
•If you tap PIN or Password, you’ll be prompted to set a numeric PIN or a password that you must enter to unlock your 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 Forget 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.
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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