Use a SIM PIN for your iPhone or iPad

Lock your SIM card with a PIN (personal identification number) to require an identification lawmaking for telephone calls and cellular-data usage.

To protect your SIM card from others using it for phone calls or cellular information, yous tin can use a SIM PIN. Then, every fourth dimension you restart your device or remove the SIM card, your SIM card will automatically lock and you'll see "Locked SIM" in the status bar.

Don't try to guess your SIM PIN. The incorrect approximate can permanently lock your SIM card, which means that you lot would demand a new SIM carte du jour.

Plow your SIM PIN on or off

  1. If yous have an iPhone, go to Settings > Cellular > SIM PIN. If you have an iPad, go to Settings > Mobile Data > SIM PIN.
  2. Turn on your SIM PIN or turn it off.
  3. If asked, enter your SIM Pin. If you've never used one, enter the default SIM PIN from your carrier. If you don't know the default SIM PIN, don't try to guess it. Check your carrier's customer service page or the documents that came with your wireless programme. Or you can contact your carrier.
  4. Tap Done.

If you forgot or don't know your SIM PIN

Never endeavour to judge a SIM PIN or PUK code. * The wrong approximate can permanently lock your SIM card, then you would demand a new SIM carte du jour. If your device asks for a Pivot or lawmaking that y'all don't know, here'southward what to do:

  1. Contact the carrier that gave you the SIM card. If y'all aren't certain which carrier to call, remove your iPhone SIM carte or iPad SIM menu and check the card for the carrier's name or logo.
  2. Inquire your carrier to aid you unlock your SIM card using the default SIM Pivot or PUK code.
  3. If you lot can't unlock your SIM carte du jour using the SIM Pivot or PUK lawmaking or if an warning says, "PUK exhausted," inquire for a new SIM bill of fare.

*If you enter the wrong SIM PIN too many times, your wireless carrier might be able to requite you a Personal Unlocking Cardinal (PUK).

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