Locking and protecting your device
IMEI number
Every device has a unique IMEI (International Mobile Equipment Identity) number. You
should keep a copy of this number. If your device is stolen, your network provider can
use your IMEI number to stop the device from accessing the network in your country.
To view your IMEI number
•
Turn off your device, then remove the battery cover and battery to view your IMEI
number.
•
Open the phone dialer on your device and enter
*#06#
.
To view your IMEI number in the device
1
From your Home screen, tap .
2
Find and tap Settings > About phone > Status.
3
Scroll to IMEI to view the IMEI number.
SIM card protection
The SIM card lock only protects your subscription. Your device will still work with a new
SIM card. If the SIM card lock is on, you have to enter a PIN (Personal Identity Number).
If you enter your PIN incorrectly more times than the maximum number of attempts
allowed, your SIM card will become blocked. You need to enter your PUK (Personal
Unblocking Key) and then a new PIN. Your PIN, PIN2 and PUK are supplied by your
network operator.
To lock a SIM card
1
From the Home screen, tap .
2
Find and tap Settings > Security > Set up SIM card lock > Lock SIM card.
3
Enter the SIM card PIN and tap OK.
To unlock a locked SIM card
1
Enter the PUK code and tap
.
2
Enter a new PIN code and tap
.
3
Re-enter the new PIN code and tap
.
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.
To change the SIM card PIN
1
From the Home screen, tap .
2
Find and tap Settings > Security > Set up SIM/RUIM card lock > Change SIM
PIN.
3
Enter the old SIM card PIN and tap OK.
4
Enter the new SIM card PIN and tap OK.
5
Re-type the new SIM card PIN and tap OK.
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To change the SIM card PIN2
1
From the Home screen, tap .
2
Find and tap Settings > Call settings > Fixed dialing numbers > Change PIN2.
3
Enter the old SIM card PIN2 and tap OK.
4
Enter the new SIM card PIN2 and tap OK.
5
Confirm the new PIN2 and tap OK.
Setting a screen lock
There are several ways to lock the screen on your device. 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.
It is very important that you remember your screen unlock pattern, PIN or password. If
you forget this information, it may not be possible to restore important data such as
contacts and messages. Refer to Sony customer support for more information.
To set a screen lock
1
From your Home screen, tap > Settings > Security > Screen lock.
2
Select an option.
To set up the Face Unlock feature
1
From your Home screen, tap > Settings > Security > Screen lock.
2
Tap Face Unlock, then follow the instructions on your device to capture your
face.
3
After your face is successfully captured, tap Continue.
4
Select a backup lock method and follow the instructions in the device to complete
the setup.
The Face Unlock feature is less secure than a screen lock pattern, PIN, or password. Someone
who looks similar to you could unlock your device.
For best results, capture your face in an indoor area that is well lit but not too bright, and hold
the device at eye level.
To unlock the screen using the Face Unlock feature
1
Activate the screen.
2
Look at your device from the same angle you used to capture your Face Unlock
photo.
If the Face Unlock feature fails to recognize your face, you need to draw the backup pattern or
enter the PIN to unlock the screen.
To disable the Face Unlock feature
1
From your Home screen, tap > Settings > Security > Screen lock.
2
Draw your backup screen unlock pattern or enter your PIN.
3
Tap Swipe.
To create a screen unlock pattern
1
Drag the status bar downward, then tap .
2
Tap Security > Screen lock > Pattern.
3
Follow the instructions on 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.
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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.
To disable the screen unlock pattern
1
From your Home screen, tap > Settings > Security > Screen lock.
2
Draw the screen unlock pattern.
3
Tap Swipe.
To create a screen unlock PIN
1
From your Home screen, tap > Settings > Security > Screen lock > PIN.
2
Enter a numeric PIN.
3
If necessary, tap to minimize the keyboard.
4
Tap Continue.
5
Re-enter and confirm your PIN.
6
If necessary, tap to minimize the keyboard.
7
Tap OK.
To disable the screen unlock PIN
1
From your Home screen, tap > Settings > Security > Screen lock.
2
Enter your PIN, then tap Continue.
3
Tap Swipe.
To create a screen lock password
1
From your Home screen, tap > Settings > Security > Screen lock >
Password.
2
Enter a password.
3
If necessary, tap to minimize the keyboard.
4
Tap Continue.
5
Re-enter and confirm your password.
6
If necessary, tap to minimize the keyboard.
7
Tap OK.
To disable the screen unlock password
1
From your Home screen, tap > Settings > Security > Screen lock.
2
Enter your password and tap Next.
3
Tap Swipe.