Protect your SIM card with a PIN code
To get your SIM card PIN code, contact your wireless service provider. You can use a PIN code to lock your SIM card so that
other people cannot use your SIM card in their smartphones.
On the home screen or in a folder, click the Options icon.
Click Device > Advanced System Settings > SIM Card.
key > Enable Security.
Type your SIM card PIN code. If you exceed the number of allowed attempts to enter the SIM card PIN code, your SIM
card does not function.
key on the keyboard.