To change unlock pattern settings
1Touch the Home button 
→Menu button 
→Settings→ Location & security, or
touch the Launcher button 
→Settings icon 
→
Location & security.
2To enable a setting, touch the setting option to select the check
box 
; to disable a setting, touch the setting option to clear
the check box 
.
Use visible pattern | Clear this option if you do not want the lines of |
| the unlock pattern to display on the screen when |
| you draw it. |
|
|
Use tactile feedback | Clear this option if you do not want the device to |
| give you tactile feedback when drawing the |
| unlock pattern. |
|
|
Protect Your Device Data With a PIN
1Touch the Home button 
→Menu button 
→Settings→ Location & security→Set up screen lock→PIN, or
touch the Launcher button →Settings icon →
Location & security→Set up screen lock→PIN.
2On the Choose your PIN page that appears, enter a PIN in the text box. Your PIN must be 4 characters at least.
3Touch OK to proceed.
4Enter the PIN again to confirm.
5Touch OK.
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Protecting Your Dell™ Streak
