Samsung Galaxy S Plus
1. Find "Change PIN2"
Press Applications.
Press Settings.
Press Call settings.
Press Fixed Dialing Numbers.
Press Change PIN2.
2. Change PIN2
Key in your current PIN2 and press OK.
Key in a new four-digit PIN2 and press OK.
Key in the new PIN2 again and press OK.
3. Exit
Press the Home key to return to standby mode.
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