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2. Flick your finger vertically, horizontally or diagonally, connect at least four dots in 
any order you choose. Lift your finger from the screen when you are finished.
You must drag your finger between the dots on the screen to create the pattern, 
not simply touch individual dots.
3. Your mobile phone will record the pattern. Touch 
Continue
.
4. When prompted, draw the screen unlock pattern again, and then touch 
Confirm
.
To change your unlock screen pattern, touch 
Location & security
 > 
Change screen 
lock
.
12.6.3  Protecting Your Mobile Phone with a Numeric PIN
You can set up a numeric PIN to lock your phone.
1. On the 
Settings
 screen, touch 
Location & security
 > 
Set up screen lock
 > 
PIN
.
2. Enter at least four characters.
3. Touch 
Continue
.
4. Enter the same characters again and touch 
OK
.
To change your PIN, touch 
Location & security
 > 
Change screen lock
.
12.6.4  Unlocking Your Mobile Phone If You Forget the Screen 
Lock Pattern
If you have already created a Google account, you can unlock your mobile phone 
using the following methods.
•  After you have entered the wrong sequence five times, a 
Forgot pattern?
 button 
will appear. Touch this button to enter the Google account interface. After you have 
entered your Google account password, you will be able to reset the unlock pattern.
•  After you have entered the wrong pattern twenty times, you will be taken directly to 
the Google account interface. After you have entered your Google account 
password, you will be able to reset the unlock pattern.
12.7  Managing Applications
12.7.1  Viewing an Installed Application
1. On the 
Settings
 screen, touch 
Applications
 > 
Manage applications
.
2. In the applications list, do either of the following: