Personal Home Support Centre Device Guides Samsung Galaxy Tab S4 Basic functions Change PIN

Samsung Galaxy Tab S4

Android 8.1
Back to section Basic functions

Change PIN

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

Slide your finger 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 Change SIM card 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.
Press the Home key to return to the home screen.
  • 1
    Find "Set up SIM card lock"
    • Slide your finger 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
    Change PIN
    • Press Change SIM card 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 an incorrect PUK is entered ten times in a row, your SIM is 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.