Turn use of PIN on or off

Your PIN protects your SIM from unauthorised use. If use of PIN is turned on, it needs to be keyed in when you turn on your phone. Follow these instructions to turn use of PIN on or off.

HTC One
  • 1
    Find "Set up SIM card lock"
    • 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.
  • 2
    Turn use of PIN on or off
    • Press Lock SIM card to turn the function on or off.
    • Key in your PIN and press OK.
    • If an incorrect PIN is entered three times in a row, your SIM will be 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 in a row, 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 several times to return to the home screen.