Sony D6633 manual SIM card protection

To set a ringtone

1 From your Home screen, tap .

2Find and tap Settings > Sound > Phone ringtone.

3 Select a SIM card.

4 Select an option from the list or tap to select a music file saved to your device.

5 To confirm, tap Done.

To select the notification sound

1 From your Home screen, tap .

2Find and tap Settings > Sound > Notification sound.

3Select an option from the list or tap to select a music file saved to your

device.

4Tap Done.

To enable touch tones

1 From your Home screen, tap .

2Find and tap Settings > Sound.

3Mark the Dial pad touch tones and Touch sounds checkboxes.

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 .

2Find and tap Settings > Security > Set up SIM card lock.

3 Select a SIM card.

4 Mark the Lock SIM card checkbox. 5 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 .

2Find and tap Settings > Security > Set up SIM card lock.

3 Select a SIM card.

4 Unmark the Lock SIM card checkbox. 5 Enter the SIM card PIN and tap OK.

To change the SIM card PIN

1 From the Home screen, tap .

2Find and tap Settings > Security > Set up SIM card lock.

3 Select SIM1 or SIM2.

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.

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