T-Mobile U8680 Cell Phone User Manual


 
68
12.6 Protecting Your Mobile Phone
12.6.1 Turning on Your SIM Card PIN
1. On the
Settings
screen, touch
Location & security
>
Set up SIM card lock
.
2. Select the
Lock SIM card
check box.
3. Use the keyboard to enter the PIN, and then touch
OK
.
4. To change the PIN at any time, touch
Change SIM PIN
.
You can dial emergency numbers any time from your mobile phone.
12.6.2 Protecting Your Mobile Phone with a Screen Lock
To keep your data more secure, lock the screen and/or require a screen unlock
pattern every time your mobile phone is turned on or wakes up from sleep mode.
1. On the
Settings
screen, touch
Location & security
>
Set up screen lock
>
Pattern
.
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
.