Lock SIM card

Set up SIM lock

This feature is not available in all countries.

Your SIM card came with a default PIN from your carrier. You can use it to set up an optional SIM card lock, which prevents others from using your cellular plan and accessing account information if your phone is stolen.

If you add a SIM lock, you will be prompted to enter the PIN each time you swap SIM cards or restart the phone.

  1. Be sure you have the PIN your carrier provided with the SIM card. If you don’t have it, contact your carrier.
  2. Go to Settings > Security & privacy > More security & privacy.
  3. Tap SIM lock.
  4. Turn Lock SIM on toggle on switch.
  5. Enter your carrier-provided PIN and follow the onscreen instructions.

Unlock SIM card

When prompted, enter the PIN used to set up the SIM lock.

CautionIf you enter an incorrect PIN multiple times, the SIM will be disabled.

If you accidentally disabled SIM

If you enter an incorrect PIN multiple times, the SIM will be disabled.

Contact your carrier for a PIN unlock key (PUK) to re-enable the SIM.

Change SIM PIN

To change the PIN code for your SIM card:

  1. Be sure you have the previous PIN. If you don't, contact your carrier for a PIN unlock key (PUK).
  2. Go to Settings > Security & privacy > More security & privacy.
  3. Tap SIM lock.
  4. If Lock SIM is off, turn it on toggle on switch.
  5. Tap Change SIM PIN.

  6. Enter the previous PIN and touch OK.

  7. Enter a new PIN and tap OK.
  8. Re-enter the new PIN and tap OK.