To lock a SIM card
1
From the
Home screen
, tap .
2
Find and tap
Settings
>
Security
>
Set up SIM/RUIM card lock
.
3
Select a SIM card.
4
Tap
Lock SIM card
.
5
Enter the SIM card PIN and tap
OK
.
To change the SIM card PIN
1
From the
Home screen
, tap .
2
Find and tap
Settings
>
Security
>
Set up SIM/RUIM card lock
.
3
Select a SIM card.
4
Tap
Change SIM PIN
.
5
Enter the old SIM card PIN and tap
OK
.
6
Enter the new SIM card PIN and tap
OK
.
7
Re-type the new SIM card PIN and tap
OK
.
To change the SIM card PIN2
1
From the
Home screen
, tap .
2
Find and tap
Settings
>
Call settings
3
Tap
Select SIM card
, then select a SIM card.
4
Tap
Fixed dialling numbers
>
Change PIN2
.
5
Enter the old SIM card PIN2 and tap
OK
.
6
Enter the new SIM card PIN2 and tap
OK
.
7
Confirm the new PIN2 and tap
OK
.
To unlock a locked SIM card
1
Enter the PUK code and tap
OK
.
2
Enter a new PIN code and tap
OK
.
3
Re-enter the new PIN code and tap
OK
.
If you enter an incorrect PUK code too many times, the SIM card becomes locked. If this
happens, contact your service provider to get a new SIM card.
Setting a screen lock
There are several ways to lock your device screen. For example, you can use the
Face Unlock feature, which uses a picture of your face to unlock the screen. You can
also set a screen unlock pattern, a number-based PIN lock, or a text-based
password.
To set a screen lock
1
From your
Home screen
, tap >
Settings
>
Security
>
Screen lock
.
2
Select an option.
To create a screen unlock pattern
1
Drag the status bar downwards, then tap .
2
Tap
Security
>
Screen lock
>
Pattern
.
3
Follow the instructions in your device.
To unlock the screen using a screen unlock pattern
1
Activate the screen.
2
Draw your screen unlock pattern.
If the unlock pattern you draw on the screen is rejected five times in a row, you must wait 30
seconds and then try again.
To change the screen unlock pattern
1
From your
Home screen
, tap .
2
Find and tap
Settings
>
Security
>
Screen lock
.
3
Draw your screen unlock pattern.
4
Tap
Pattern
.
5
Follow the instructions in your device.
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