Samsung Galaxy Alpha support.
Setting up a SIM PIN.
You can protect your SIM card by setting up a PIN. Here's how:
On the homescreen, tap Apps
Under System, tap Security
Tap Set up SIM card lock
Check the Lock SIM card box
Enter your PIN. If you haven't changed your PIN before, it'll be 0000. Tap OK
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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