Sony SGP311U1B, SGP312U1B manual SIM card protection

Models: SGP311U1B SGP312U1B

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To view your IMEI number

You can also open the phone dialer on your device and enter *#06#* to view the IMEI number of your device.

To view your IMEI number in the phone

1From your Home screen, tap .

2Find and tap Settings > About phone > Status.

3Scroll 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 enable the SIM card PIN lock

1From the Home screen, tap .

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

3Enter the SIM card PIN and tap OK.

To change the SIM card PIN

1From the Home screen, tap .

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

3Enter the old SIM card PIN and tap OK.

4Enter the new SIM card PIN and tap OK.

5Retype the new SIM card PIN and tap OK.

To change the SIM card PIN2

1From the Home screen, tap .

2Find and tap Settings > Call settings > Fixed dialing numbers > Change PIN2.

3Enter the old SIM card PIN2 and tap OK.

4Enter the new SIM card PIN2 and tap OK.

5Confirm the new PIN2 and tap OK.

To unlock a locked SIM card

1When Enter PUK and new PIN code appears, enter the PUK code.

2Enter a new PIN code and tap OK.

3Re-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.

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Sony SGP311U1B, SGP312U1B manual SIM card protection