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Learn how to lock and unlock the SIM PIN on the Google Pixel 4.

On this page:

 

Change SIM PIN

  1. From the Home screen, swipe up to view your apps.
  2. Tap Settings > Security or Security & location > Advanced.
  3. Tap SIM card lock, then tap the switch to turn Lock SIM card on or off.

 

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, swipe up to view your apps.
  2. Tap Settings > Security or Security & location > Advanced.
  3. Tap SIM card lock and make sure Lock SIM card is turned on.
  4. Tap Change SIM PIN, enter the current PIN, then tap OK.
  5. Enter your new PIN, then tap OK.
  6. Re-enter your new PIN, then tap OK.

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