Protect your SIM card with a PIN code
To obtain your SIM card PIN code, contact your wireless service provider.
Note: If you type the SIM card PIN code incorrectly three times, your SIM card does not function.
On the Home screen or in a folder, click the Options icon.
2. Click Advanced Options.
3. Click SIM Card.
4. Press the Menu key.
5. Click Enable Security.
6. Type your SIM card PIN code.
7. Press the Enter key.