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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 enable the SIM card PIN lock
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 change the SIM card PIN
1 From the Home screen, tap .
2 Find and tap Settings > Security > Set up SIM 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 Retype 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 > 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.
To unblock a locked SIM card
1 When Enter PUK and new PIN code appears, enter the PUK code.
2 Enter a new PIN code and tap OK.
If you enter an incorrect PUK code too many times, the SIM card becomes blocked. 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.
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.
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