The basics
Locking the SIM card
When SIM Lock is enabled, your device works only with the current SIM card. To use another SIM card, you must enter the SIM lock password.
1.On the Home screen, press the Start soft key.
2.Select Settings → More... → Security → Enable SIM Lock.
3.Enter a password for your SIM card and press the Done soft key.
4.
Changing PIN2
A PIN 2 is used for certain functions supported by the SIM card. You can change the PIN2 supplied with your SIM card to a new one.
1.On the Home screen, press the Start soft key.
2.Select Settings → More... → Security → Change PIN2.
3.Enter the current PIN2 in the Old PIN field, then a new PIN in the New PIN field, and
4.Press the Done soft key.
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