Change PIN

The PIN protects your SIM from unauthorised use if your phone should get stolen. You can change your PIN to a PIN easier to remember of your choice. Remember, you need to turn on use of PIN.

Samsung Galaxy A3
  • 1
    Find "Change SIM PIN"
    • Slide your finger down the display starting from the top edge of your phone.
    • Press the settings icon.
    • Press Security.
    • Press Set up SIM card lock.
    • Press Change SIM PIN.
  • 2
    Change PIN
    • Key in your current PIN and press OK.
    • Key in a new four-digit PIN and press OK.
    • Key in the new PIN again and press OK.
    • If the wrong PIN is entered three times in a row, your SIM is blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting Customer Service.PLEASE NOTE:If the wrong PUK is entered ten times, your SIM will be blocked permanently. In this case, you need a new SIM from Telstra.
  • 3
    Return to the home screen
    • Press the Home key to return to the home screen.