Samsung Galaxy S4 mini support.

Setting up a SIM PIN.

You can protect your SIM card by setting up a PIN. Here's how:

  1. On the homescreen, tap Apps

  2. Tap Settings

  3. Tap the More tab then tap Security

  4. Tap Set up SIM card lock

  5. Check the Lock SIM card box

  6. Enter your PIN. If you haven't changed your PIN before, it'll be 0000. Tap OK

  7. To change the SIM PIN, tap Change SIM PIN and follow the onscreen instructions

    Your PIN will now be set up on your phone.



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