UNLOCK THE SCREEN WITH A PATTERN
• Press Power Key.
• Draw your pattern to unlock the screen. If you make a mistake
you can try again up to five times.
If you forget the unlock pattern then after five attempts you can
enter your Google account details to unlock your device. If you
have not registered a Google account then you need to perform
a factory reset. From the Locked screen, press Emergency Call
and enter the following code *983*987#
SET A SIM CARD PIN LOCK
• Set a PIN code on your SIM card to prevent others from using
your account.
• The initial PIN code is provided by your service operator.
• Tap Menu > Settings > Security > Set up SIM card lock.
• Select Lock SIM card. Enter the PIN and tap OK.
CHANGE SIM PIN
Before changing the SIM PIN, you need to enable it.