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Learn how to lock and unlock the SIM PIN on the Samsung Galaxy S7.

Change SIM PIN

  1. From the Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Lock screen and security.
  4. Tap Other security settings.
  5. Scroll to 'SIM card lock,' then tap Set up SIM card lock.
  6. If necessary, tap Lock SIM card to move the slider to ON and enable, and then enter your current SIM PIN and tap OK.
  7. Tap Change SIM card PIN.
  8. Enter your current SIM PIN.  The default SIM PIN is 1234.
  9. Tap OK.
  10. Enter the new SIM PIN.
  11. Tap OK
  12. Re-enter the new SIM PIN.
  13. Tap OK

Turn on / off SIM PIN

The SIM PIN code can protect your SIM from being used in other devices. When you turn on the SIM PIN lock, the device prompts you to enter the code after turning it on.

  1. From the Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Lock screen and security.
  4. Tap Other security settings.
  5. Scroll to 'SIM card lock,' then tap Set up SIM card lock.
  6. On Lock SIM card, move the slider to ON or OFF.

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