Personal Home Support Centre Device Guides Samsung Galaxy A70 Basic functions Turn use of PIN on or off

Samsung Galaxy A70

Android 9.0
Back to section Basic functions

Turn use of PIN on or off

The PIN protects your SIM from unauthorised use if your phone should get stolen. If use of PIN is turned on, it needs to be keyed in when you turn on your phone.

Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Biometrics and security.
Press Other security settings.
Press Set up SIM card lock.
Press the required SIM.
Press the indicator next to
Key in your PIN and press OK.
Press the Home key to return to the home screen.
  • 1
    Find "Set up SIM card lock"
    • Slide two fingers downwards starting from the top of the screen.
    • Press the settings icon.
    • Press Biometrics and security.
    • Press Other security settings.
    • Press Set up SIM card lock.
  • 2
    Turn use of PIN on or off
    • Press the required SIM.
    • Press the indicator next to "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 services. Please note: If you key in the wrong PUK 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 to return to the home screen.