Sim Card Protection - Sony Xperia Z1 User Manual

To set a ringtone
1
From your Home screen, tap
2
Find and tap Settings > Sound & notification > Phone ringtone.
3
Select an option from the list or tap
your device.
4 To confirm, tap Done.
To select the notification sound
1
From your Home screen, tap
2 Find and tap Settings > Sound & notification > Notification sound.
3
Select an option from the list or tap
your device.
4 To confirm, tap Done.
Some applications have their own specific notification sounds, which you can select from the
application settings.
To enable touch tones
1
From your Home screen, tap
2
Find and tap Settings > Sound & notification > Other sounds.
3 Drag the sliders beside Dialpad tones and Touch sounds to the right.

SIM card protection

You can lock and unlock each SIM card that you use in your device with a PIN
(Personal Identity Number). When a SIM card is locked, the subscription linked to the
card is protected against misuse, meaning that you have to enter a PIN every time
you start your device.
If you enter the PIN incorrectly more times than the maximum number of attempts
allowed, your SIM card will become blocked. You then need to enter your PUK
(Personal Unblocking Key) and a new PIN. Your PIN and PUK are supplied by your
network operator.
To set up a SIM card lock
1
From the Home screen, tap
2
Find and tap Settings > Security > Set up SIM card lock.
3
Mark the Lock SIM card checkbox.
4 Enter the SIM card PIN and tap OK. The SIM card lock is now active and you
will be prompted to enter this lock every time you restart the device.
To remove a SIM card lock
1
From the Home screen, tap
2
Find and tap Settings > Security > Set up SIM card lock.
3 Unmark the Lock SIM card checkbox.
4 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.
3
Tap Change SIM PIN.
4
Enter the old SIM card PIN and tap OK.
5 Enter the new SIM card PIN and tap OK.
6 Re-type the new SIM card PIN and tap OK.
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