Locking the SIM Card

Locking the SIM Card

Locking the SIM card with a PIN protects your device from unauthorized use.
It requires entering a PIN every time the device is turned on. If the correct PIN is not entered, only emergency calls are allowed.
  1. Tap
    Settings
    Security
    More security settings
    SIM card lock
    Lock SIM card
    .
  2. Enter the PIN associated with the card, and the tap
    OK
    .
  3. Restart your device.